Dioptase - Specimen charcoal and the straight-sided prismatic shape

and the straight-sided prismatic shape typical of zoisite

Approximate Size of 1 piece: 45mm x 35mm x 3mm

Approximate Size of 1 Piece: 15mm x 12mm x 10mm

That makes it appealing not only as a gemstone mineral

Sowerbyella Rugosa is one of the most common and well-known brachiopod species found in Kentucky

Dioptase - Specimen charcoal and the straight-sided prismatic shapeMined from: Democratic Republic of the Congo Description: This one of a kind dioptase specimen has a dense, sculptural form with dark, tightly packed crystals covering both lobes of the piece. The crystals appear deep green to nearly black in lower light, but flashes of blue green show through along the edges and thinner areas, especially where the light catches the glassy faces. The overall structure gives it a strong cabinet presence, with dozens of