TECTOSILICATES

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Adularia

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : KAlSi3O8
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Afghanite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : (Na,Ca,K)8(AlSiO4)6(SO4,Cl2,CO3)3 0,5H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Agate

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Albite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : NaAlSi3O8
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Amazonite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : KAlSi3O8
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Amethyst

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ametrine

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Analcime

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : NaAlSi2O6 H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Andesine

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : (Na,Ca)(Al,Si)4O8
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Anorthite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : CaAl2Si2O8
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Anorthoclase

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : (Na,K)AlSi3O8
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Bikitaite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : LiAlSi2O6 H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Brewsterite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : (Sr,Ba,Ca)Al2Si6O16 5H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Bytownite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : (Na,Ca)(Al,Si)4O8
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Chalcedony

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Cancrinite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : Na6Ca2Al6Si6O24(CO3)2
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Celsian

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : BaAl2Si2O8
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Chabazite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : CaAl2Si4O12
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Citrine

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Clinoptilolite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : (Ca,K,Na)3Al3Si15O36 11.5H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Coesite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : SiO2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Cristobalite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Tetragonal
Chemistry : SiO2
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Dachiardite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : Na4Al4Si20O48 13H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Danalite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : Fe4Be3(SiO4)3S
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Danburite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : CaB2(SiO4)2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Davyne

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (Na,Ca,K)8Al6Si6O24(Cl,SO4,CO3)2-3
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Edingtonite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : BaAl2Si3O10 4H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Epistilbite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : CaAl2Si6O16 5H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Faujasite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : (Na2,Ca)Al2Si4O12 8H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Feldspar

Class : Silicates
Subclass : Tectosilicates
Crystal system : Variable
Chemistry : XZ4O8
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Feldpathoid

Class : Silicates
Subclass : Tectosilicates
Crystal system : Variable
Chemistry : Variable
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ferrierite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : (Na,K)2MgAl3Si15O36(OH) 9H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Genthelvite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : Zn4Be3(SiO4)3S
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Gismondite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : Ca2Al4Si4O16 9H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Gmelinite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (Na2,Ca)Al2Si4O12 6H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Gonnardite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Tetragonal
Chemistry : Na2CaAl4Si6O20 7H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Harmotome

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : BaAl2Si6O16 6H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Haüyne

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : Na3Ca(Si3Al3)O12(SO4)
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Helvite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : Mn4Be3(SiO4)3S
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Heulandite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : (Ca,Na2)Al2Si7O18 6H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Hyalophane

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : (K,Ba)Al(Al,Si)3O8
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Labradorite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : (Ca,Na)(Al,Si)4O8
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Laumontite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : CaAl2Si4O12 4H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Lazurite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : Na3Ca(Si3Al3)O12S
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Leifite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : Na2(Si,Al,Be)7(O,OH,F)14
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Leucite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Tetragonal
Chemistry : KAlSi2O6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Lévyne

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : (Ca,Na2,K2)Al2Si4O12 6H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Liottite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Lussatite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Disordered fibers
Chemistry : SiO2 n(H2O)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Magadiite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : NaSi7O13(OH)3 4H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Mazzite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : K2CaMg2(Si,Al)36O72 28H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Mesolite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : Na2Ca2Al6Si9O30 8H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Microcline

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : KAlSi3O8
Rarity : Ubiquitous

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Mizzonite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Tetragonal
Chemistry : (Ca,Na)4(Al,Si)12O24(CO3,Cl)
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Montesommaite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : (K,Na)9Al9Si23O64 10H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Mordenite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : (Ca,Na2,K2)Al2Si10O24 7H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Natrolite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : Na2Al2Si3O10 2H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Nepheline

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (Na,K)AlSiO4
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Nosean

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : Na8Al6Si6O24(SO4) H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Offretite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (K,Ca,Mg)3Al5Si13O36 15H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Oligoclase

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : (Na,Ca)(Al,Si)4O8
Rarity : Ubiquitous

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Opal

Class : Silicates
Subclass : Tectosilicates
Crystal system : Amorphous
Chemistry : SiO2 nH2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Orthoclase

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : KAlSi3O8
Rarity : Ubiquitous

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Paulingite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : (Ca,K,Na)7(Si,Al)42O84 34-44H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Petalite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : LiAlSi4O10
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Phillipsite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : KCaAl3Si5O16 6H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pietersite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Plagioclase

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : NaxCa1-xAl2-xSi2+xO8
Rarity : Ubiquitous

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pollucite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : (Cs,Na)(AlSi2)O6 nH2O
Rarity : Uncommon to rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Quartz

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Sanidine

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : (Ca,Na)AlSi3O8
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Scapolite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Tetragonal
Chemistry : Na4Al3Si9O24Cl à Ca4Al6Si6O24CO3
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Scolecite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : CaAl2Si3O10 3H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Sodalite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : Na8Al6Si6O24Cl2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Stellerite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : CaAl2Si7O18 7H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Stilbite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : NaCa2Al5Si13O36 14H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Stishovite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Tetragonal
Chemistry : SiO2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thomsonite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : NaCa2Al5Si5O20 6H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tridymite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Orthorhombic
Chemistry : SiO2
Rarity : Uncommon to fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tugtupite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Tetragonal
Chemistry : Na4AlBeSi4O12Cl
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Yugawaralite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : CaAl2Si6O16 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Zeolite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Variable
Chemistry : Variable
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information