Vesuvianite

Grandidierite

Vesuvianite Vs Grandidierite

Vesuvianite

Grandidierite

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1 Astrology

1.1 Origin

Not Available

Madagascar

1.2 Color

Brown, Blue, Green, Yellow, White

Green

1.3 Streak

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 Energy

Not Available

1.8 How to Wear?

1.8.1 Finger

Not Available

1.8.2 Ring Metal

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

Vesuvianite is virtually insolouble in acids

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.32-3.432.85-3.00

1 7.18

2.5 Fracture

Conchoidal, Brittle

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

2.6 Cleavage

Poor on {110} and {100} very poor on {001}

Perfect

2.7 Mohs Hardness

6-77.5

2 10

2.8 Chemical Composition

Not Available

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Vitreous, Resinous

Vitreous, Pearly

3.2 Pleochroism

slight in colored varieties

visible

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.703-1.7521.578-1.639

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

tetragonal

Orthorhombic

3.8 Birefringence

0.004-0.0060.037-0.039

0 0.296

3.9 Clarity

Not Available

Gemmological Tables (2004) More from other references

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

Vesuvianite Vs Grandidierite Fracture

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

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Vesuvianite Vs Grandidierite Luster

A primary knowledge about Vesuvianite vs Grandidierite 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. Vesuvianite exhibits Vitreous and Resinous luster. Grandidierite, on other hand, exhibits Vitreous and Pearly luster.