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Kristall-Liebhaber oder Menschen
Kristallform und Größe von Stück zu Stück
Besonderheit: Naturbelassene Stufe
The intense violet color
Chemical formula: The chemical formula of stilbite is NaCa4 (Si27Al9)O72·28 (H2O)
Bergkristall Handstufe (628g) freeform Kristall-Liebhaber oder MenschenThe Rock crystal is a fascinating gemstone that has special meaning in different cultures. Here are some important properties of rock crystal: Chemical composition : Rock crystal belongs to the quartz group and consists mainly of silicon dioxide (SiO ) . Crystal system : Rock crystal crystallizes in the trigonal crystal system and forms prismatic crystals with six sides and pyramidal ends. Double terminated crystals are common. Color and transparency
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