Vivianite

Grossular

Vivianite Vs Grossular

Vivianite

Grossular

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1 Astrology

1.1 Origin

Southern and central Africa

Sri Lanka, India, Brazil

1.2 Color

Blue, Green, Colorless

Green, Brown, Brown, Colorless, Green, gray, Yellow

1.3 Streak

White

Brownish, White, Brownish, White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.64-2.703.55-3.73

1 7.18

2.5 Fracture

(e.g. graphite).

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

2.6 Cleavage

{010} Perfect

none

2.7 Mohs Hardness

Not Available7-7.5

2 10

2.8 Chemical Composition

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Greasy, Vitreous

3.2 Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

None

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Transparent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.560-1.6401.730-1.760

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

cubic

3.8 Birefringence

0.054-0.0750.020

0 0.296

3.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Vivianite Vs Grossular Fracture

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

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Vivianite Vs Grossular Luster

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