1.6" Rough Green Prehnite Crystal Mineral Specimen Location Imilchil, Morocco Print recovered from a European cave

recovered from a European cave deposit

located in present-day southwest Wyoming

Diogenites consist predominantly of orthopyroxene

This innovative method made mining economically feasible and established Louisiana as a leading global sulfur producer for decades

the species Hexagonaria percarinata is commonly known as the Petoskey stone and is designated as the official state stone

1.6" Rough Green Prehnite Crystal Mineral Specimen Location Imilchil, Morocco Print recovered from a European caveLocation: Imilchil, Morocco Weight: 1. 3 Ounces Dimensions: 1. 6 Inches Long, 1. 3 Inches Wide, 1. 1 Inches Thick The item pictured is the one you will receive. Prehnite is a pale green mineral that varies from translucent to transparent and belongs to the phyllosilicate group. First identified in 1788 and named after Dutch Colonel Hendrik von Prehn, it is commonly found alongside minerals such as calcite and epidote in basaltic rock formations. This