Starburst Gypsum – Australia
£6.67 – £8.34
Starburst gypsum mineral specimens from Australia, exhibiting the fragile radiatiing nature of gypsum crystals, the samples are a beige colour and feature numerous outward radiating masses in a crystal bed. The samples are rare to come by and we have limited stock available. Samples will come supplied in a card tray with an information label.
Specimens of starburst gypsum crystals found in Australia. Gypsum is a sulfate mineral and easily identifiable due to its hardness which is very soft. The name is derived from the Greek "Gypsos" meaning "chalk or plaster" It forms as an evaporite deposit associated with sedimentary rocks. Gypsum is deposited from lake and sea water but also from hot springs associated with volcanic activity. Pure gypsum is normally white but impurities give it a variety of hues. It is mined extensively for the manufacture of plaster, plaster board, fertilizer & soil conditioner. These mineral specimens are of a very rare variety of crystal known as starburst gypsum which is a variation of gypsum that is very delicate, its name comes from the radiating clusters of crystals that appear somewhat star like, extreme care is advised when handling this item as they crystals are very delicate, they are more suitable for serious collectors or for display use. Specimens are supplied in a white card tray with an information label.