Blue Opal: Meaning, Properties and Uses The blue opal stone is a very rare stone of the different types of ...
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Fire-Opal Stone According to the Strunz classification, Opal considers a mineral belonging to the group of silicates, tectosilicates. Its composition ...
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Beryl Semiprecious Stone The beryl belongs to Ciclosilicatos mineral beryllium aluminum, i.e., are silicates formed by tetrahedrons as rings, when ...
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Chrysocolla stone and its properties Chrysocolla stone is a mineral that, due to its high copper content, is highly attractive ...
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LINGAM This name has various meanings, such as phallus, sign, or brand. This stone is also called shiva lingam, Tibet ...
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