Database contains 7220 mineral photos and 1246 locality photos.
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Magnesite - Complete Mineral Overview

Magnesite is not the most popular mineral for collectors but it can form outstanding specimens and crystals. However, its principal use is as a magnesium ore and a special refractory - a material where resistance to extreme temperatures is fundamental to an industrial process.

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Dolomite - Complete Mineral Overview

Dolomite is calcium magnesium carbonate, which can form outstanding crystals with wide variety of colors, often associated with other minerals. Less aesthetic dolomite form can build a whole mountain ranges and intrusions.

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