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Malachit ist empfindlich gegenüber Säuren
Die polierte Kugel
window decoration
Turmaline und Achate
it is said to help organize thoughts
Bergkristall Stufe (387g) Septarie Malachit ist empfindlich gegenüber SäurenThe 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