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Titre: Feldspar streak test
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Traduction automatique:
Feldspar 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. Feldspar has a white streak. It is a tectosilicate mineral. Feldspar is defined to have hardness of 6 in the Mohs scale.
Crédit: Album / Turtle Rock Scientific/Science Source
Taille de l'image: 5164 × 3440 px | 50.8 MB
Taille d'impression: 43.7 × 29.1 cm | 2033.1 × 1354.3 in (300 dpi)