Flashcards
Minerals
Flashcards do conjunto (8)
- 1What are minerals?-Naturally occurring, solid, inorganic, crystalline substance having fairly definite physical properties and having a fairly definite chemical composition.
-Natural, solid chemical - 2What two elements are most abundant in the crust?Oxygen (O) & Silicon (Si)
- 3What minerals are the most common in the crust?Quartz (SiOsub2)
- 4Why are some common minerals dark-colored? (e.g., biotite mica, pyroxene, amphibole)They are rich in Fe & Mg & Ca
They're ferromagnesian minerals. - 5Quartz (SiOsub2)Common in granite
- 6K-feldspar (KAlSisub3Osub8)-White to cream to pinkish
-Common in granite orange - 7Plagioclase feldspar (NaAlSisub3Osub8 to CaAlsub2 Sisub2 Osub8)-White to gray to dark gray.
-Common in granite and basalt - 8Calcite (CaCOsub3)-Breaks into lopsided boxes
-Clear to white to gray
-Bubbles in acid
Informações
- Descrição
- For packet 1
- Criado por
- Jake Fredrickson · fev 2018
- Atualizado
- 9 fev 2018
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