Heulandite & Stilbite

Reference: 916

Collected in 1995,  this fine Isle of Skye specimen has pearly heulandite crystals to 10mm with orange-pink cores on which a number of sharp snow-white stilbite crystals have formed.

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

Stilbite (Ca_0.5,K,Na)₉(Al₉Si₂₇)O₇₂ ^. 28H₂O

Status: Sold

Dimensions: 59x32x20mm

Size: Miniature (M)