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Lapis lazuli
Lapis lazuli

Euclase
Euclase



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Lapis lazuli
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Euclase

Lapis lazuli Vs Euclase

1 Astrology
1.1 Origin
Afghanistan
Brazil, Colombia, Southern and central Africa
1.2 Color
Violet, Blue, White
Greenish, Blue, Colorless, White, Green
1.3 Streak
Blue
White
1.4 For which Rashi?
Sagittarius
Not Available
1.5 Planet
Venus
Not Available
1.6 Element of Planets
Water
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
Receptive
Not Available
1.9 Deities
Venus
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Protection, Courage
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
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.50-3.003.08-3.12
Amber
1 7.18
2.5 Fracture
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic
2.6 Cleavage
3,6
{010} Perfect
2.7 Mohs Hardness
5.57.5
Amber
2 10
2.8 Chemical Composition
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
BeAlSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
Weak: colorless-(greenish) yellow
3.3 Dispersion
None0.02
Fluorite
0.007 1
3.4 Transparency
Opaque
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.500-1.6701.650-1.677
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
3.8 Birefringence
Not Available0.019-0.025
Achroite
0 0.296
3.9 Clarity
Gemstones of the world (2001)
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

Lapis lazuli Vs Euclase Fracture

Fracture is an important parameter when you compare Lapis lazuli and Euclase Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Euclase 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 Lapis lazuli is ConchoidalWalter Schumann, Gemstones of the world (2001) and Uneven-Conchoidal. Euclase fracture is Brittle, ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001), Gemstones of the world (2001) and Metallic.

Lapis lazuli Vs Euclase Luster

A primary knowledge about Lapis lazuli vs Euclase 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. Lapis lazuli exhibits Greasy and Vitreous luster. Euclase, on other hand, exhibits Vitreous luster.