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Hodgkinsonite
Hodgkinsonite

Alexandrite
Alexandrite



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Hodgkinsonite
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Hodgkinsonite Vs Alexandrite

1 Astrology
1.1 Origin
USA
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
1.2 Color
Black, Violet, pink, Reddish, Brown, orange
Green
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
Scorpio
1.5 Planet
Not Available
Venus
1.6 Element of Planets
Not Available
Earth
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, Receptive
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Love
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
4.06-4.08
3.69-3.81
2.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Not Available
2.6 Cleavage
{???} Perfect
1,1 ; 3,2.
2.7 Mohs Hardness
4.5-5
8.5
2.8 Chemical Composition
Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
BeAl 2 O 4
3 Optical Properties
3.1 Luster
Vitreous
Vitreous
3.2 Pleochroism
Lavender and pale purple for transparent pink stones.Michael O’Donoghue
Not Available
3.3 Dispersion
Albite
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite
ADD ⊕
3.4 Transparency
Gems
Transparent, Transparent to nearly opaque
3.5 Refractive Index
1.720-1.746
1.739-1.770
3.6 Optic Character
Not Available
Biaxial/+
3.7 Crystal System
monoclinic
Orthorhombic
3.8 Birefringence
0.026
0.007-0.010
3.9 Clarity
Gems
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

Hodgkinsonite Vs Alexandrite Fracture

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

Hodgkinsonite Vs Alexandrite Luster

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

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