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Lapis lazuli
Lapis lazuli

Coral
Coral



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Lapis lazuli
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Coral

Lapis lazuli Vs Coral

1 Astrology
1.1 Origin
Afghanistan
Southern and central Africa, Orange, blue, Orange, blue
1.2 Color
Violet, Blue, White
White, Blue
1.3 Streak
Blue
Not Available
1.4 For which Rashi?
Sagittarius
Pisces
1.5 Planet
Venus
Neptune
1.6 Element of Planets
Water
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
Receptive
Receptive
1.9 Deities
Venus
Venus
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Protection, Courage
Healing, Protection
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
2.50-3.002.60-2.70
Amber
1 7.18
2.5 Fracture
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Irregular, Irregular, Gemstones of the world (2001)
2.6 Cleavage
3,6
Not Available
2.7 Mohs Hardness
5.53-4
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
CaCO 3Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Not Available
3.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
3.3 Dispersion
NoneNone
Fluorite
0.007 1
3.4 Transparency
Opaque
Translucent
3.5 Refractive Index
1.500-1.6701.486-1.658
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Trigonal
3.8 Birefringence
Not Available0.160-0.172
Achroite
0 0.296
3.9 Clarity
Gemstones of the world (2001)
Translucent
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 Coral Fracture

Fracture is an important parameter when you compare Lapis lazuli and Coral Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Coral 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. Coral fracture is Gemstones of the world (2001), Irregular and Irregular.

Lapis lazuli Vs Coral Luster

A primary knowledge about Lapis lazuli vs Coral 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.