Himalaya Quartz (Bergkristall) aus dem Skardu Tal in Pakistan (160g) Österreich Den Standfuss trocken halten

Den Standfuss trocken halten

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Blue Pacific Agate is one of the most fascinating agate varieties

the calm agate banding

parallel zur [010]-Achse gestreckt und gestreift

Himalaya Quartz (Bergkristall) aus dem Skardu Tal in Pakistan (160g) Österreich Den Standfuss trocken haltenThe Himalaya Quartz (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, the ends of which taper pyramidally. Double enders are common.