Heulandite

Sgurr nam Boc, Glen Brittle, Isle of Skye, Inner Hebrides, Highlands  United Kingdom

Specimen size: 3.7 × 2.9 × 3 cm = 1.46” × 1.14” × 1.18”
Main crystal size: 1 × 0.3 cm = 0.39” × 0.12”