Harmotome & Brewsterite

Reference: 1512

An unusual specimen from Strontian with the two zeolites, harmotome and brewsterite, ocurring together - quite a rarity. The brewsterite crystals, distinquishable by their pale straw colour, are formed on and around snow white, well formed harmotome crystals.

Formulas: Harmotome (Ba_0.5,Ca_0.5,K,Na) ₅[Al₅Si₁₁O₃₂] ^.12H₂O; Brewsterite (Sr,Ba) ₂Al₄Si₁₂O₃₂^.10H₂O

Status: Sold

Dimensions: 45x40x30mm

Size: Miniature (M)