a key indicator of well-formed pyrite

Slimy slug length: 125mm

Geology enthusiasts studying copper-bearing minerals

desk or mantel

Eight sheets of coloured pressing paper

Black Jade Specimen | West Australian Museum Quality Collector Piece Botanical illustrations a key indicator of well-formedThis polished black jade specimen from Western Australia is a museum quality mineral display piece valued for its deep, refined colour and natural geological formation. Carefully polished to reveal its dense structure and subtle tonal variation, the specimen ranges from dark forest green through to near jet black, shaped by natural mineral composition and iron rich inclusions. Black jade is composed primarily of two closely related mineral types: