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Talc from Massachusetts

Talc, hydrous magnesium silicate, is the softest known mineral and is number 1 on the Mohs hardness scale. When ground up into fine particles, it is sold as 'talcum powder' and used as a drying agent. It forms as an alteration product of other silicates in localities worldwide. Talc is usually massive or 'foliated' (in sheets) and has a pearly luster and a 'soapy' or greasy feel. The material found in digging the Hoosac Tunnel in Massachusetts is extremely typical of the species.
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Titre:
Talc from Massachusetts
Légende: Voir la traduction automatique
Talc, hydrous magnesium silicate, is the softest known mineral and is number 1 on the Mohs hardness scale. When ground up into fine particles, it is sold as 'talcum powder' and used as a drying agent. It forms as an alteration product of other silicates in localities worldwide. Talc is usually massive or 'foliated' (in sheets) and has a pearly luster and a 'soapy' or greasy feel. The material found in digging the Hoosac Tunnel in Massachusetts is extremely typical of the species.
Crédit:
Album / Science Source / JOEL AREM
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Modèle: Non - Propriété: Non
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Taille de l'image:
2553 x 3855 px | 28.2 MB
Taille d'impression:
21.6 x 32.6 cm | 8.5 x 12.9 in (300 dpi)
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