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Corundum
Corundum

Tourmaline
Tourmaline



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Corundum
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Tourmaline

Corundum Vs Tourmaline

1 Astrology
1.1 Origin
Southern and central Africa
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
1.2 Color
Violet, Blue, Red, Yellow, Brown, gray
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
1.3 Streak
White, None
White
1.4 For which Rashi?
Not Available
Libra
1.5 Planet
Not Available
Venus, Mars
1.6 Element of Planets
Not Available
Water
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Projective
1.9 Deities
Not Available
Venus
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Love, Courage
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Brittle
Not Available
2.2 Solubility
insoluble
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.90-4.052.85-3.35
Amber
1 7.18
2.5 Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
None – parting in 3 directions
Indistinct
2.7 Mohs Hardness
97-7.5
Amber
2 10
2.8 Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
3 Optical Properties
3.1 Luster
Adamantine, Vitreous
Vitreous
3.2 Pleochroism
None
typically moderate to strong
3.3 Dispersion
0.020.02
Fluorite
0.007 1
3.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.758-1.7801.614-1.666
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Trigonal
3.8 Birefringence
0.007-0.0100.014-0.040
Achroite
0 0.296
3.9 Clarity
Gemmological Tables (2004) More from other references
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available

Corundum Vs Tourmaline Fracture

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

Corundum Vs Tourmaline Luster

A primary knowledge about Corundum vs Tourmaline 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. Tourmaline, on other hand, exhibits Vitreous luster.