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Minerals are natural solids. Minerals are formed through geological processes, which create the minerals chemical composition. Minerals have a highly ordered and characteristic atomic structure which defines their specific physical properties. Minerals can come in many compositions, from pure elements, to simple salts, to silicates which are very diverse and complex in structure. A rock is a mixture of minerals and does not have a specific composition.
Lead

Lead

Sat 04 Jul 2009 04:34:23 PM EDT

Quartz

Quartz

Sat 04 Jul 2009 04:27:07 PM EDT

Ruby

Ruby

Sat 04 Jul 2009 04:31:39 PM EDT

Serpentine

Serpentine

Sat 04 Jul 2009 04:37:07 PM EDT

Silver

Silver

Sat 04 Jul 2009 04:18:09 PM EDT

Smithsonite

Smithsonite

Sat 04 Jul 2009 04:19:09 PM EDT

Rating 4 (Total votes: 1)
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