Origin
Brazil, Southern and central Africa, Madagascar, Widespread; best stones come from Brazil.
Southern and central Africa
For which Rashi?
Scorpio
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Deities
Persephone, Mercury
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Powers
Protection, Psychic Power
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Specific Gravity
2.65
2.50-2.80
Cleavage
Indiscernible
Perfect
Chemical Composition
SiO2
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
Pleochroism
Natural: weak; yellow light yellow.
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Transparency
Transparent
Transparent
Refractive Index
1.544-1.553
1.531-1.600
Crystal System
Trigonal
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Birefringence
0.009
0.004-0.037
Clarity
Transparent
Transparent
Neurological
Enhances creativity and mental clarity
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Cardiovascular
Supports heart health
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Psychology
Creativity
Creativity
Healing
Emotional healing
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Qualities Associated
Abundance
Creativity