Sphalerite (variety cleiophane) on Dolomite - Lengenbach Quarry, Switzerland - 4 x 6 x 4 cm / main crystal: 1.0 cm.

Mineral: Sphalerite (variety cleiophane) on Dolomite
Locality: Lengenbach Quarry, Fäld, Binn Valley (Binntal), Wallis (Valais), Switzerland
Dimensions: 4 x 6 x 4 cm / main crystal: 1.0 cm.

Description: Mass: 125 g MIM number:2188 Perfectly formed, transparent and very shiny twinned crystal of golden color on a massive white dolomite matrix covered with small quartz and adularia crystals. Photographer: FMI / James Elliot