RARE EARTH ELEMENTS MINERALS

.


Aeschynite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombic
Chemistry : (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Agardite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated Arsenates
Crystal system : Hexagonal
Chemistry : (Y,Ca)Cu6(AsO4)3(OH)6 3H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Allanite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : (Ce,Ca)2(Al,Fe)3(SiO4)3(OH)
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Ancylite

Class : Carbonates, Nitrates, Borates
Subclass : Hydrated carbonates
Crystal system : Orthorhombic
Chemistry : SrCe(CO3)2(OH) H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Bastnäsite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Hexagonal
Chemistry : (Ce,La,Nd)CO3F
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Betafite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : (Ca,U)2(Ti,Nb,Ta)2O6(OH)
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Brannerite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (U,Ca,Y,Ce)(Ti,Fe)2O6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Britholite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Hexagonal
Chemistry : (Y,Ca)5(SiO4,PO4)3(OH,F)
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Burbankite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Hexagonal
Chemistry : (Ca,Na)3(Sr,Ba,Ce)3(CO3)5
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Cerite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Trigonal
Chemistry : Ce9(Mg,Fe)(SiO4)6(SiO3OH)(OH)3
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Chernovite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Tetragonal
Chemistry : YAsO4
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Crichtonite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Trigonal
Chemistry : (Sr,La,Ce,Y)(Ti,Fe,Mn)21O38
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Donnayite

Class : Carbonates, nitrates, borates
Subclass : Hydrated carbonates
Crystal system : Triclinic
Chemistry : Sr3NaCaY(CO3)6 3H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Eudialyte

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Trigonal
Chemistry : Na4(Ca,Ce,Fe)3ZrSi6O17 (OH,Cl)2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Euxenite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombic
Chemistry : (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Fergusonite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : YNbO4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Gadolinite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : Y2FeBe2Si2O10
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Hellandite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : (Ca,Y)6(Al,Fe)B4Si4O20(OH)4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Hibonite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Hexagonal
Chemistry : (Ca,Ce,La)(Al,Ti,Mg)12O19
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Hingganite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : (Y,Yb)BeSiO4(OH)0
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Iimoriite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Triclinic
Chemistry : Y2(SiO4)(CO3)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Ilmenorutile

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : (Ti,Nb,Fe)TiO3
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Ixiolite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (Ta,Mn,Nb)O2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Joaquinite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Monoclinic
Chemistry : NaBa2Ce2FeTi2(Si4O12)2O2(OH,F) · H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Kolbeckite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Monoclinic
Chemistry : ScPO4 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Lanthanite

Class : Carbonates, nitrates, borates
Subclass : Hydrated carbonates
Crystal system : Orthorhombic
Chemistry : (La,Ce)2(CO3)3 8H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Mckelveyite

Class : Carbonates, nitrates, borates
Subclass : Hydrated carbonates
Crystal system : Triclinic
Chemistry : Ba3Na(Ca,U)(Y,Nd)(CO3)6 3H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Monazite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : CePO4
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Mosandrite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : (Na,Ca,Ce)3TiSi2O7(F,OH,O)
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Parisite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Trigonal
Chemistry : Ca(Ce,La,Nd)2(CO3)3F2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Samarskite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (Y,Ce,Fe,U)(Bb,Ta)O4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Steenstrupine

Class : Silicates
Subclass : Sorosilicates
Crystal system : Trigonal
Chemistry : Na14Ce6Mn2Fe2Zr(Si6O18)2(PO4)7(OH)2 3H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Synchysite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Monoclinic
Chemistry : Ca(Ce,La)(CO3)2F
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Tadzhikite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : Ca3(Y,Ce)2(Ti,Al,Fe)B4Si4O22(O,OH)2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Thortveitite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : (Sc,Y)2Si2O7
Rarity : Rare to vey rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Trimounsite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : Y2Ti2SiO9
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

.


Xenotime

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Tetragonal
Chemistry : YPO4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information