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Blue chalcedony - South Africa - 200502800

75
mm
135
gr
12
euros
Reference
200502800

Size mm
75x50x40
Category
Raw rocks

Country
South Africa
Mineral
Chalcedony

Collection
134 - May 2020
Translate to :

Chalcedony is a range of rock composed of quartz crystallites, that is to say very small crystals hardly visible, and compacted in an amorphous form. Its name comes from Khalkedon, an ancient city on the Bosphorus. Agate, onyx, carnelian, chrysoprase are varieties of chalcedony. Its color range goes from pale mauve to blue, passing through bluish milky gray, and almost white. Chalcedony is mainly mined in Brazil, Madagascar, India and Uruguay. It is a rock used mainly for ornamentation in the form of polished blocks.

Characteristics :

Density 2.60
Hardness 6.50 à 7.00
Group Oxyde
Formula SiO2
Cleavage {0110} indistinct
Break Conchoidal
Chemical composition :

O Oxygen Other no metal 53.25%
Si Silicon Metalloids 46.74%
100%

Actions and crystal healing effects :

• Affection of the vocal cords
• Sore throat
• Throat (males)
• Thyroid
• Vocal cords (affection)



We draw your attention to the fact that in lithotherapy, the different properties associated with stones come from traditions and beliefs. They are not scientifically proven and can in no way replace medical treatment. For any medical problem, you should consult your doctor.
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