Calcjarlite

calcjarlite

Images

Formula: Na₂(Ca,☐)₁₄(Mg,☐)₂Al₁₂F₆₄(OH)₄
Fluoride
Crystal system: Monoclinic
Specific gravity: 3.51 measured
Hardness: 4
Colour: White
Environments

Metamorphic environments

Localities

At the type locality, the fluorite vein, Parvaya Noiba River, Enisei Range, Krasnoyarsk Krai, Russia, calcjarlite occurs in the fluorite vein in quartz-mica schists. Associated minerals include fluorite, thorite, usovite, chamosite, phillipsite, erionite, micas and halloysite (HOM).
Calcjarlite from the Parvaya Noiba River - Image

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