Minerals: Phosphates
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.
Phosphates
-are compounds in which metallic elements combine with phosphate (PO4).

Apatite

Raw Turquoise

Polished Turquoise

Wavellite

Kidwellite

Torbernite

Pyromorphite Crystals

Pyromorphite Green

Pyromorphite White

Vivianite

Monazite

Ludlamite

Purperite

Variscite

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