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Povondraite
Povondraite

Hercynite
Hercynite



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Povondraite
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Hercynite
Astrology

Origin

Color

Streak

For which Rashi?

Planet

Element of Planets

Energy

Finger

Ring Metal

Deities

Not to wear with

Powers

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

Benefits

Neurological

Cardiovascular

Respiratory

Reproductive

Digestive

Psychology

Healing

Qualities Associated

 
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Brownish, Black
Brown
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3.26
Uneven
None
-9999
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
 
Resinous
Strong: yellow-brown
0.02
Translucent
-9999
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-9999
Translucent
 
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Protection
 
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Yellow, Black
Green
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4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
 
Vitreous
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0.03
Translucent
1.80-1.83
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Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
-9999
Translucent
 
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Good
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Balance