Carnelian

Grandidierite

Carnelian Vs Grandidierite

Carnelian

Grandidierite

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1 Astrology

1.1 Origin

Not Available

Madagascar

1.2 Color

Red

Green

1.3 Streak

White

1.4 For which Rashi?

Taurus, Leo, Taurus, Leo, Taurus, Leo

Not Available

1.5 Planet

Sun

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

Projective

Not Available

1.9 Deities

Isis, Bragi

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection, Healing, Courage

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

2.58-2.642.85-3.00

1 7.18

2.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

2.6 Cleavage

Absent

Perfect

2.7 Mohs Hardness

6.5-77.5

2 10

2.8 Chemical Composition

SiO₂

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

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Pearly

3.2 Pleochroism

AbsentWalter Schumann

visible

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent, Transparent to nearly opaque

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.535-1.5391.578-1.639

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.003-0.0090.037-0.039

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

Carnelian Vs Grandidierite Fracture

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

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Carnelian Vs Grandidierite Luster

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