Corundum

Grossular

Corundum Vs Grossular

Corundum

Grossular

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1 Astrology

1.1 Origin

Southern and central Africa

Sri Lanka, India, Brazil

1.2 Color

Violet, Blue, Red, Yellow, Brown, gray

Green, Brown, Brown, Colorless, Green, gray, Yellow

1.3 Streak

White, None

Brownish, White, Brownish, 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

3.90-4.053.55-3.73

1 7.18

2.5 Fracture

Uneven, Uneven, Gems, Difficult, Fibrous

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

2.6 Cleavage

None – parting in 3 directions

none

2.7 Mohs Hardness

97-7.5

2 10

2.8 Chemical Composition

Al 2O 3Arthur Thomas , Gemstones (2009)

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Adamantine, Vitreous

Greasy, Vitreous

3.2 Pleochroism

None

3.3 Dispersion

0.020.02

0.007 1

3.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.758-1.7801.730-1.760

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

cubic

3.8 Birefringence

0.007-0.0100.020

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

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

Corundum Vs Grossular Fracture

Fracture is an important parameter when you compare Corundum and Grossular Physical Properties. It is necessary to understand the significance of these properties, before you compare Corundum Vs Grossular fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Corundum is Difficult, Fibrous, Gems, Uneven and Uneven. Grossular fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.

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Corundum Vs Grossular Luster

A primary knowledge about Corundum vs Grossular luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Corundum exhibits Adamantine and Vitreous luster. Grossular, on other hand, exhibits Greasy and Vitreous luster.