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Sphalerite
Sphalerite

Alexandrite
Alexandrite



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Sphalerite
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Alexandrite

Sphalerite Vs Alexandrite

1 Astrology
1.1 Origin
Mexico, USA, Spain
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
Green, Brown, Yellow, Red, Black
Green
1.3 Streak
Brownish, White
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
3.95-4.103.69-3.81
Amber
1 7.18
2.5 Fracture
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
Not Available
2.6 Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
1,1 ; 3,2.
2.7 Mohs Hardness
3.5-48.5
Amber
2 10
2.8 Chemical Composition
(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
BeAl 2 O 4
3 Optical Properties
3.1 Luster
Adamantine
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
Not Available
3.3 Dispersion
0.16NA
Fluorite
0.007 1
3.4 Transparency
Transparent, Translucent
Transparent, Transparent to nearly opaque
3.5 Refractive Index
2.368-2.3711.739-1.770
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Biaxial/+
3.7 Crystal System
Isometric
Orthorhombic
3.8 Birefringence
Not Available0.007-0.010
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

Sphalerite Vs Alexandrite Fracture

Fracture is an important parameter when you compare Sphalerite and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sphalerite 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 Sphalerite is Gemstones of the world (2001) More from other references, Gemstones of the world (2001) More from other references, Uneven, UnevenWalter Schumann and UnevenWalter Schumann.

Sphalerite Vs Alexandrite Luster

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