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Vivianite
Vivianite

Legrandite
Legrandite



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Vivianite
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Legrandite

Vivianite Vs Legrandite

1 Astrology
1.1 Origin
Southern and central Africa
Mexico
1.2 Color
Blue, Green, Colorless
Yellow, yellowish orange
1.3 Streak
White
White
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
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
Not Available
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
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
Brittle
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.64-2.70
3.98-4.04
2.5 Fracture
(e.g. graphite).
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
{010} Perfect
Imperfect, poor one {100}
2.7 Mohs Hardness
Not Available
4.5-5
2.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
Colorless
3.3 Dispersion
Albite
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite
ADD ⊕
3.4 Transparency
Transparent
Gems
3.5 Refractive Index
1.560-1.640
1.702-1.740
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
monoclinic
3.8 Birefringence
0.054-0.075
0.060
3.9 Clarity
Transparent
Gems
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 Legrandite Fracture

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

Vivianite Vs Legrandite Luster

A primary knowledge about Vivianite vs Legrandite 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. Legrandite, on other hand, exhibits Vitreous luster.