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Alexandrite
Alexandrite

Pyrope
Pyrope



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Alexandrite
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Pyrope

Alexandrite Vs Pyrope

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
China, Kenya, Russia, Sri Lanka, Zambia
1.2 Color
Green
Red, pink, Black, orange
1.3 Streak
Not Available
White
1.4 For which Rashi?
Scorpio
Not Available
1.5 Planet
Venus
Not Available
1.6 Element of Planets
Earth
Not Available
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
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Love
Not Available
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
insoluble in water
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.69-3.813.62-3.87
Amber
1 7.18
2.5 Fracture
Not Available
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
1,1 ; 3,2.
None
2.7 Mohs Hardness
8.57-7.5
Amber
2 10
2.8 Chemical Composition
BeAl 2 O 4
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous
Greasy, Vitreous
3.2 Pleochroism
Not Available
None
3.3 Dispersion
NA0.02
Fluorite
0.007 1
3.4 Transparency
Transparent, Transparent to nearly opaque
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.739-1.7701.720-1.756
Agate Opal
1 3.25
3.6 Optic Character
Biaxial/+
Not Available
3.7 Crystal System
Orthorhombic
cubic
3.8 Birefringence
0.007-0.010Not Available
Achroite
0 0.296
3.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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 Pyrope Fracture

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

Alexandrite Vs Pyrope Luster

A primary knowledge about Alexandrite vs Pyrope 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. Pyrope, on other hand, exhibits Greasy and Vitreous luster.