Polished Wavellite (Resin Coated) | Arkansas Herkimer Diamond Dolomite is a calcium magnesium

Dolomite is a calcium magnesium carbonate

This Peruvian specimen displays a shiny

Aragonite is polymorphous mineral with the same composition as calcite and vaterite but differing crystal structure

Noble Serpentine

These volcanic-region minerals feature distinct

Polished Wavellite (Resin Coated) | Arkansas Herkimer Diamond Dolomite is a calcium magnesiumwavellite is a stunning mineral, known for its unique, radiating, spherical (botryoidal) crystal structures, often displaying vibrant greens, yellows, or blues, with a glassy to pearly luster and "cat's eye" effect in cross section, making it popular for cabochons, though its low hardness (3. 5 4) requires stabilization for durable jewelry. This item is 2 x 1. 5 and weighs 1. 55 oz