Barytocalcite - Encyclopedia

    Class : Carbonates, Nitrates, Borates
    Subclass : Anhydrous carbonates
    Crystal System : Monoclinic
    Chemistry : BaCa(CO3)2
    Rarity : Rare

Barytocalcite is a rare carbonate of barium and calcium, known from a dozen deposits in the world. It appears by reaction of hydrothermal fluids rich in barium on carbonate rocks as well as in alkaline rocks, in particular carbonatites. It owes its name to its chemical composition. It is a colorless to white or grayish, sometimes yellowish to greenish mineral, which forms elongated, frequently striated crystals.

Main photo : Barytocalcite from Nentsberry Haggs Mine, Alston Moor, Eden, Cumbria, England, UK © Helen Wilkinson

Barytocalcite from Nentsberry Haggs, Alston Moor, Cumbria, England © Rob Lavinsky
Barytocalcite from Stríbro, Tachov, Plzen Region, Czech Republic © Vaclav Machacek
Barytocalcite from Stríbro, Tachov, Plzen Region, Czech Republic © Vaclav Machacek
Barytocalcite from Blagill Mine, Alston Moor, Cumbria, England © Martyn Coles

Barytocalcite in the World

The Alston Moor deposit (Cumberland, England) yielded 5 cm crystals, the largest known, associated with calcite, barite and fluorite. Other localities include the large Chinese rare earth and niobium deposit of Bayan-Obo, Inner Mongolia, the akaline rock massif of Khibiny (Kola, Russia) and the Russian carbonatite of Vuoriyarvi.

Barytocalcite in France

This mineral is not present in the French underground.

Twinning and special crystallizations

No known twin for this mineral species.

Fakes and treatments

No fake or treatment identified for this mineral species.



Hardness : 4
Density : 3.7
Fracture : Conchoidal to Irregular
Trace : White



TP : Opaque to translucent
RI : 1.525 to 1.686
Birefringence : 0.161
Optical character : Biaxial -
Pleochroism : None
Fluorescence : None


Solubility : Hydrochloric acid

Magnetism : None
Radioactivity : None

ReCaptcha

This service is used to secure web forms of our website and required if you want to contact us. By accepting it you agree to Google's privacy policy: https://policies.google.com/privacy

Facebook

Our website allows you to like or share its content on Facebook social network. By activating and using it you agree to Facebook's privacy policy: https://www.facebook.com/policy/cookies/

YouTube

Integrated videos provided by YouTube are used on our website. By accepting to watch them you agree to Google's privacy policy: https://policies.google.com/privacy

Twitter

Integrated tweets and share services of Twitter are used on our website. By accepting and using these you agree to Twitter's privacy policy: https://help.twitter.com/en/rules-and-policies/twitter-cookies

PInterest

Our website allows you to share its content on PInterest social network. By activating and using it you agree to PInterest's privacy policy: https://policy.pinterest.com/en/privacy-policy/