Coral

Grandidierite

Coral Vs Grandidierite

Coral

Grandidierite

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1 Astrology

1.1 Origin

Southern and central Africa, Orange, blue, Orange, blue

Madagascar

1.2 Color

White, Blue

Green

1.3 Streak

Not Available

White

1.4 For which Rashi?

Pisces

Not Available

1.5 Planet

Neptune

Not Available

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

Venus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Healing, Protection

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

2.60-2.702.85-3.00

1 7.18

2.5 Fracture

Irregular, Irregular, Gemstones of the world (2001)

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

2.6 Cleavage

Not Available

Perfect

2.7 Mohs Hardness

3-47.5

2 10

2.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

3 Optical Properties

3.1 Luster

Not Available

Vitreous, Pearly

3.2 Pleochroism

AbsentWalter Schumann

visible

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.486-1.6581.578-1.639

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.160-0.1720.037-0.039

0 0.296

3.9 Clarity

Translucent

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

Coral Vs Grandidierite Fracture

Fracture is an important parameter when you compare Coral and Grandidierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Coral 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 Coral is Gemstones of the world (2001), Irregular and Irregular. Grandidierite fracture is Brittle, Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas.

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Coral Vs Grandidierite Luster

A primary knowledge about Coral 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. Grandidierite, on other hand, exhibits Pearly and Vitreous luster.