Origin
Southern and central Africa
Brazil, Southern and central Africa
Color
Greenish, Yellow, White
Blue, Green, Black
For which Rashi?
-
Gemini, Sagittarius
Specific Gravity
3.17-3.18
3.04-3.17
Cleavage
Perfect
{001} Indistinct, {???} Indistinct
Chemical Composition
Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Pleochroism
Weak to moderate; in pale colors.
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.665-1.667
1.604-1.646
Crystal System
-
monoclinic
Birefringence
-9999
0.031-0.036
Clarity
Transparent
Transparent
Neurological
-
Balances digestive system and reduces bloating
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Digestive
-
Supports digestive health
Psychology
Optimism
Clarity
Healing
Physical healing
Emotional healing
Qualities Associated
Creativity
Psychic Abilities