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Alexandrite
Alexandrite
☒

Tourmaline
Tourmaline
☒



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Alexandrite
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Tourmaline

Alexandrite Vs Tourmaline
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1 Astrology
1.1 Origin
Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
1.2 Color
Green
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
1.3 Streak
Not Available
White
1.4 For which Rashi?
Scorpio
Libra
1.5 Planet
Venus
Venus, Mars
1.6 Element of Planets
Earth
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
Projective, Receptive
Projective
1.9 Deities
Not Available
Venus
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Love
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
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.69-3.812.85-3.35
Amber ▶ ⊕
1 7.18
2.5 Fracture
Not Available
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
1,1 ; 3,2.
Indistinct
2.7 Mohs Hardness
8.57-7.5
Amber ▶ ⊕
2 10
2.8 Chemical Composition
BeAl 2 O 4
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
Vitreous
Vitreous
3.2 Pleochroism
Not Available
typically moderate to strong
3.3 Dispersion
NA0.02
Fluorite ▶ ⊕
0.007 1
3.4 Transparency
Transparent, Transparent to nearly opaque
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.739-1.7701.614-1.666
Agate Opal ▶ ⊕
1 3.25
3.6 Optic Character
Biaxial/+
Not Available
3.7 Crystal System
Orthorhombic
Trigonal
3.8 Birefringence
0.007-0.0100.014-0.040
Achroite ▶ ⊕
0 0.296
3.9 Clarity
Transparent
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

Alexandrite Vs Tourmaline Fracture

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

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Alexandrite Vs Tourmaline Luster

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

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