Sillimanite

Gahnite

Facts about Sillimanite and Gahnite

Sillimanite

Gahnite

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1 Astrology

1.1 Origin

USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil

Australia

1.2 Color

Blue, Green, Brownish, Greenish, Colorless, gray

Blue, Green, Greenish, Black

1.3 Streak

White

Grey, gray

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

Tough

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.20-3.264.00-4.62

1 7.18

2.5 Fracture

Splintery

Conchoidal, Uneven

2.6 Cleavage

{010} perfect

Indistinct parting on [111]

2.7 Mohs Hardness

6-7.57.5-8

2 10

2.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Vitreous, Subadamantine, Silky

Vitreous

3.2 Pleochroism

Colourless to pale brown to yellow

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.653-1.6851.790-1.818

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

cubic

3.8 Birefringence

0.020-0.022Not Available

0 0.296

3.9 Clarity

Transparent

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

Sillimanite Vs Gahnite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Sillimanite Vs Gahnite specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Sillimanite and Gahnite Astrology. Its highly necessary to have a basic knowledge of facts about Sillimanite and Gahnite, before you finalize to buy one.

Sillimanite is known to regulate the influence of Not Available planet. Gahnite, the unique gem is known to regulate the influence of Not Available planet.