Tourmaline Vs Pearl
Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Australia
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
Green, Blue
For which Rashi?
Libra
Cancer, Gemini, Cancer, Gemini, Cancer, Gemini
Element of Planets
Water
Water
Energy
Projective
Receptive
Finger
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Ring Metal
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Not to wear with
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Powers
Love, Courage
Protection, Love, Money
Planetary
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Talisman
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Tenacity
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
2.85-3.35
2.60-2.85
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Mohs Hardness
7-7.5
2.5-4.5
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Not Available
Pleochroism
typically moderate to strong
AbsentWalter Schumann
Transparency
Transparent, Translucent, Transparent to opaque
Translucent, Opaque
Refractive Index
1.614-1.666
1.52-1.66
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Orthorhombic
Birefringence
0.014-0.040
0.156
Clarity
Transparent
Translucent
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
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Healing
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Qualities Associated
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Tourmaline Vs Pearl Fracture
Fracture is an important parameter when you compare Tourmaline and Pearl Physical Properties. It is necessary to understand the significance of these properties, before you compare Tourmaline Vs Pearl 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 Tourmaline is Uneven, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Pearl fracture is Gemstones of the world (2001), UnevenWalter Schumann and Gemstones of the world (2001).
Tourmaline Vs Pearl Luster
A primary knowledge about Tourmaline vs Pearl 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. Tourmaline exhibits Vitreous luster. Pearl, on other hand, exhibits Pearly luster.
