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Chemical formula: The chemical formula of stilbite is NaCa4 (Si27Al9)O72·28 (H2O)
The intense violet color
Modern esotericism : The rock crystal is viewed as a stone of clarity
Buy Aragonite – Blue Aragonite from Afghanistan (3369g) – Powerful large specimen with calming energy
Bergkristall Handstufe (628g) freeform Chemical formula: The chemical formulaThe 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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