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Large White Quartz Geodes
Approximate size of the piece:20x18cm
Approximate weight: 4-8kg
Provenance: Brazil
The pieces that will be delivered are similar to the ones in the pictures.
White Quartz or Transparent Quartz, also called Rock Crystal, is a variety of colorless crystalline quartz. It is composed of silicon dioxide, belongs to the silicate-tectosilicate group, and its hardness is 7 on the Mohs scale. Quartz crystals usually have the shape of a hexagonal prism with pyramidal faces at the ends. They can be found isolated in double points or in groupings forming twins, druses or geodes.
In ancient times, Rock Crystal was used for the elaboration of vessels and valuable objects. Shamanic traditions consider it a stone of light, consciousness and clairvoyance. Thanks to its optical and piezoelectric properties quartz has been used in the manufacture of lenses and electronics, although nowadays most of the Transparent Quartz is used for ornamentation and healing.
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