×

Vivianite
Vivianite

Lapis lazuli
Lapis lazuli



ADD
Compare
X
Vivianite
X
Lapis lazuli

Vivianite Vs Lapis lazuli

1 Astrology
1.1 Origin
Southern and central Africa
Afghanistan
1.2 Color
Blue, Green, Colorless
Violet, Blue, White
1.3 Streak
White
Blue
1.4 For which Rashi?
Not Available
Sagittarius
1.5 Planet
Not Available
Venus
1.6 Element of Planets
Not Available
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
Not Available
Receptive
1.9 Deities
Not Available
Venus
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Protection, Courage
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
2.64-2.702.50-3.00
Amber
1 7.18
2.5 Fracture
(e.g. graphite).
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
{010} Perfect
3,6
2.7 Mohs Hardness
Not Available5.5
Amber
2 10
2.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous, Greasy
3.2 Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
AbsentWalter Schumann
3.3 Dispersion
NANone
Fluorite
0.007 1
3.4 Transparency
Transparent
Opaque
3.5 Refractive Index
1.560-1.6401.500-1.670
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
Trigonal
3.8 Birefringence
0.054-0.075Not Available
Achroite
0 0.296
3.9 Clarity
Transparent
Gemstones of the world (2001)
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

Vivianite Vs Lapis lazuli Fracture

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

Vivianite Vs Lapis lazuli Luster

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