Minerals: Phyllosilicates

Minerals are defined by five criteria: 1. Naturally Occurring, 2. Inorganic, 3. Solid, 4. Defined Chemical (Atomic) Formula, and 5. A unique set of physical properties.

Phyllosilicates

-have sheetlike structures formed by the sharing of three oxygen ions by each adjacent tetrahedron.

Apophyllite

Apophyllite Green

Asbestos

Cavansite

Kaolinite

Neptunite

Biotite Mica

Muscovite Mica

Phlogopite Mica

Lepidolite Mica

Lepidolite

Glauconite Mica

Chlorite

Chrysocolla

Chrysocolla and Malachite

Pink Talc

Black Talc

White Talc

Okenite

Prehnite

Pyrophyllite

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Data: Pellant, Chris. Smithsonian Handbooks: Rocks and Minerals, The clearest recognition guides avaiable. A Dorling Kindersley Book.

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