100+ Porcelain streak PowerPoint (PPT) Presentations, Porcelain streak PPTs

Porcelain streak - PowerPoint PPT Presentation

Minerals: context and value

Minerals: context and value. David L. Dillon, M.Sc. Minerals have both geological significance and cultural value. What is the geological significance? What is the cultural significance?. What is the geological significance?.

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680 views • 47 slides

EARTH MATERIALS

EARTH MATERIALS. Minerals, Rocks, and Mineral Resources. MINERALS. Naturally occurring Inorganic Crystalline solid Definite chemical composition. ARE THESE MINERALS? WHY OR WHY NOT?. Diamond Coal Wood Quartz Graphite. WHAT IS CRYSTALLINE?.

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607 views • 18 slides

Mohs Scale of Hardness

Mohs Scale of Hardness. Mohs Scale History. Mohs scale was devised by Friedrich Mohs in 1812 You use Mohs scale by testing your unknown mineral against these known minerals. The known minerals are: 1. Talc 6. Orthoclase (Feldspar) 2. Gypsum 7. Quartz

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2.08k views • 7 slides

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Porcelain streak - PowerPoint PPT Presentation

Minerals: context and value

EARTH MATERIALS

Mohs Scale of Hardness