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but is now only a minor ore for sulfur and iron
its beauty and uniqueness allow it to be sold at higher prices for other types of uses
Its calming energy evokes the gentle sound of waves and the vastness of the ocean
der Dioptas wird sicherlich einen bleibenden Eindruck hinterlassen
dass die spezifischen Eigenschaften eines bestimmten Fluoritstücks von seiner genauen chemischen Zusammensetzung und den Bedingungen seiner Bildung abhängen können
Epidot und Bergkristall aus der Türkei (106g) - Handstufe Apophyllit but is now only aEpidote is a mineral from the mineral class silicates and germanates . It crystallizes in the monoclinic crystal system with the general chemical composition Ca (Fe ,Al)Al [O OH SiO Si O ] 1. The brackets in the chemical formula mean that iron and aluminum can represent each other to a limited extent ( substitution), but are always in the same ratio to the other components. Epidote usually forms prismatic crystals from up to 35 cm long , which can be
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