Heulandite-Sr

Display all pictures

View full size
Print
Share on Facebook
Send to a friend

Heulandite-Sr

Strontian Barite Mine, Strontian, Highland Region, Scotland

Reference: 458

Heulandite-Sr is an uncommon zeolite mineral at Strontian mines and only found in the Whitesmith opencut. The specimen has a number of glassy heulandite-Sr crystals up to 5mm in length interspersed with brewsterite and platey calcite. The calcite fluorecses red under SW UV light

Formula: (Sr,Na,Ca) _2-3 Al₃(Al,Si) ₂Si₁₃O₃₆^. 12H₂O