Corundum

Grandidierite

Facts about Corundum and Grandidierite

Corundum

Grandidierite

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1 Astrology

1.1 Origin

Southern and central Africa

Madagascar

1.2 Color

Violet, Blue, Red, Yellow, Brown, gray

Green

1.3 Streak

White, None

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

Brittle

Not Available

2.2 Solubility

insoluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.90-4.052.85-3.00

1 7.18

2.5 Fracture

Uneven, Uneven, Gems, Difficult, Fibrous

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

2.6 Cleavage

None – parting in 3 directions

Perfect

2.7 Mohs Hardness

97.5

2 10

2.8 Chemical Composition

Al 2O 3Arthur Thomas , Gemstones (2009)

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Adamantine, Vitreous

Vitreous, Pearly

3.2 Pleochroism

None

visible

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.758-1.7801.578-1.639

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.007-0.0100.037-0.039

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

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

Corundum Vs Grandidierite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Corundum Vs Grandidierite 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 Corundum and Grandidierite Astrology. Its highly necessary to have a basic knowledge of facts about Corundum and Grandidierite, before you finalize to buy one.

Corundum is known to regulate the influence of Not Available planet. Grandidierite, the unique gem is known to regulate the influence of Not Available planet.