Chantalite

chantalite

vuagnatite

prehnite

hydrogrossular

Images

Formula: CaAl₂(SiO₄)(OH)₄
Nesosilicate (insular SiO₄ groups)
Crystal system: Tetragonal
Specific gravity: 2.8 to 2.9
Streak: White
Colour: Colourless to white
Common impurities: Fe,Mg,Na
Environments

Metamorphic environments

Localities

At the Acquasaliente Creek, Contrade Maglio-Pornaro, Val Munari, Tretto, Schio, Vicenza Province, Veneto, Italy, chantalite has been found with hibschite (Mindat photo).
Chantalite from the Acquasaliente Creek - Image

At the type locality, Covur Yokusutepe Hill, Doganbaba, Yeşilova District, Burdur Province, Turkey, chantalite occurs as anhedral grains, 0.1 0.3 mm in size, in rodingite dikes from an ophiolite zone. Associated minerals include vuagnatite, prehnite, hydrogrossular, chlorite and calcite (AM 63.1282-1284).

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