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Gypsum streak test

Gypsum streak test. The streak test is used to determine the colour of a mineral in powdered form. It is done by scraping a specimen across a piece of unglazed porcelain known as a streak plate. Gypsum has a white streak. It is a soft mineral composed of calcium sulphate dehydrate (CaSO4 2H2O). Gypsum is defined to have hardness of 2 in the Mohs scale.
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Title:
Gypsum streak test
Caption:
Gypsum streak test. The streak test is used to determine the colour of a mineral in powdered form. It is done by scraping a specimen across a piece of unglazed porcelain known as a streak plate. Gypsum has a white streak. It is a soft mineral composed of calcium sulphate dehydrate (CaSO4 2H2O). Gypsum is defined to have hardness of 2 in the Mohs scale.
Credit:
Album / Turtle Rock Scientific/Science Source
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Image size:
5167 x 3438 px | 50.8 MB
Print size:
43.7 x 29.1 cm | 17.2 x 11.5 in (300 dpi)
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