Harmotome & Brewsterite

Strontian mine, Strontian, Ardnamurchan, Scotland


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 (Ba0.5,Ca0.5,K,Na) 5[Al5Si11O32] .12H2O; Brewsterite (Sr,Ba) 2Al4Si12O32.10H2O


Status: Available

Dimensions: 45x40x30mm

Size: Miniature (M)

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