Corundum

Friedelite

Corundum Vs Friedelite

Corundum

Friedelite

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1 Astrology

1.1 Origin

Southern and central Africa

USA

1.2 Color

Violet, Blue, Red, Yellow, Brown, gray

Red, Brown, Brown, Red, Yellow, pink

1.3 Streak

White, None

pink

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

3.90-4.053.06-3.19

1 7.18

2.5 Fracture

Uneven, Uneven, Gems, Difficult, Fibrous

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

2.6 Cleavage

None – parting in 3 directions

{010} Perfect

2.7 Mohs Hardness

94-5

2 10

2.8 Chemical Composition

Al 2O 3Arthur Thomas , Gemstones (2009)

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Adamantine, Vitreous

Not Available

3.2 Pleochroism

None

NilArthur Thomas

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent, Translucent

Translucent

3.5 Refractive Index

1.758-1.7801.627-1.663

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

3.8 Birefringence

0.007-0.0100.032-0.035

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

Translucent

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 Friedelite Fracture

Fracture is an important parameter when you compare Corundum and Friedelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Corundum Vs Friedelite 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. Friedelite fracture is Brittle, Gemstones (2009) Tough, Gemstones (2009) Tough, Uneven, UnevenArthur Thomas and UnevenArthur Thomas.

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Corundum Vs Friedelite Luster

A primary knowledge about Corundum vs Friedelite 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.