1 Astrology
1.1 Origin
Brazil
1.2 Color
Colorless, White, Greenish
1.3 Streak
White
1.4 For which Rashi?
Not Available
1.5 Planet
Not Available
1.6 Element of Planets
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
1.7.2 Ring Metal
Not Available
1.8 Energy
Not Available
1.9 Deities
Not Available
1.10 Not to wear with
Not Available
1.11 Powers
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
1.12.2 Talisman
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
2.2 Solubility
Not Available
2.3 Durability
Not Available
2.4 Specific Gravity
2.52-2.60
Check 2.52-2.60 Range Gemstones!
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
2.6 Cleavage
{0001} Imperfect, {1120} Imperfect
2.7 Mohs Hardness
5.5-6
Check 5.5-6 Range Gemstones!
2
10
2.8 Chemical Composition
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Not Available
3.2 Pleochroism
Not Available
3.3 Dispersion
Not Available
Rank: N/A (Overall) ▶
0.007
1
3.4 Transparency
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.529-1.560
Check 1.529-1.560 Range Gemstones!
1
3.25
3.6 Optic Character
Not Available
3.7 Crystal System
Not Available
3.8 Birefringence
0.000-0.011
Check 0.000-0.011 Range Gemstones!
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
4.1.2 Cardiovascular
Not Available
4.1.3 Respiratory
Not Available
4.1.4 Reproductive
Not Available
4.1.5 Digestive
Not Available
4.2 Psychology
Not Available
4.3 Healing
Not Available
4.4 Qualities Associated
Not Available