Grandidierite

Corundum

Facts about Grandidierite and Corundum

Grandidierite

Corundum

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1 Astrology

1.1 Origin

Madagascar

Southern and central Africa

1.2 Color

Green

Violet, Blue, Red, Yellow, Brown, gray

1.3 Streak

White

White, None

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

Brittle

2.2 Solubility

Not Available

insoluble

2.3 Durability

Not Available

2.4 Specific Gravity

2.85-3.003.90-4.05

1 7.18

2.5 Fracture

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

Uneven, Uneven, Gems, Difficult, Fibrous

2.6 Cleavage

Perfect

None – parting in 3 directions

2.7 Mohs Hardness

7.59

2 10

2.8 Chemical Composition

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

Al 2O 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Adamantine, Vitreous

3.2 Pleochroism

visible

None

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent

3.5 Refractive Index

1.578-1.6391.758-1.780

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.037-0.0390.007-0.010

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

Grandidierite Vs Corundum Specifications

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

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