Mangano Calcite Mushroom - Carving Quality:Standard choose milled (textured) face or

choose milled (textured) face or polished

Geological Age: Approximately 112 to 93 million years ago

Approximate Weight of 1 Piece: 7ct

5cmApproximate Weight of 1 Piece: 85g

Many of the higher grade fire opals in this lot are contraluz specimens

Mangano Calcite Mushroom - Carving Quality:Standard choose milled (textured) face orMined from: Helmand, Pakistan Afghanistan Border Description: Mangano calcite is a variety of calcite, a common mineral found in sedimentary rocks and limestone formations. This particular variety of calcite gets its name from its significant manganese content, which is also responsible for its lovely banded hues of pastel pink. Additionally, the manganese content of this mineral causes it to vibrantly fluoresce a bright pink red color when exposed to