Picropharmacolite, brassite

Picropharmacolite forms hemispherical, silken-glossy, white to colorless aggregates, which are composed of fine needle-like crystals. Brassite on this sample forms tabular crystals, chalk-white in color, which reach a size of up to 0.4 cm. This sample of picropharmacolite and braasit comes from the Geschieber vein, Daniel level, Svornost mine, Jáchymov. Jáchymov is the type locality for brassite.