Harmotome & Brewsterite-(Sr)

Reference: 2934

The two zeolites, Harmotome and Brewsterite-(Sr) both occur at the Strontian mines but the overlap zone of the two was very small. This specimen is from that zone hosting both crystals of white harmotome and light brown brewsterite-(Sr) over a calcite matrix.

Formulas: Harmotome (Ba_0.5,Ca_0.5,K,Na)₅[Al₅Si₁₁O₃₂]^. 12H₂O ; Brewsterite-(Sr) (Sr,Ba,Ca)[AL₂Si₆O₁₆] ^. 5H₂O

Price: £34.00

Status: Available

Dimensions: 52x40x34mm

Size: Miniature (M)