Powellite, Apophyllite & Stilbite

Reference: 744

Wonderfully sharp and lustrous powellite crystal nestling in a cavity formed by surrounding apophyllite and stilbite crystals. Powellite turns up occasionally in the Indian trap basalts with zeolite minerals but is quite rare and a molybdate not a zeolite.

Formulas: Powellite CaMoO₄; Apophyllite KCa₄Si₈O₂₀(OH,F) ^. 8(H₂O); Stilbite

(Ca_0.5,K,Na)₉(Al₉Si₂₇)O₇₂ ^. 28H₂O

Status: Sold

Dimensions: 55x45x35mm

Size: Miniature (M)