Idocrase

Grandidierite

Idocrase Vs Grandidierite

Idocrase

Grandidierite

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1 Astrology

1.1 Origin

Canada, USA, Italy, Russia, Switzerland, Tanzania, Kenya, Sri Lanka

Madagascar

1.2 Color

Green, Yellow, Brown, Violet, Blue

Green

1.3 Streak

Not Available

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

Not Available2.85-3.00

1 7.18

2.5 Fracture

Not Available

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

2.6 Cleavage

Not Available

Perfect

2.7 Mohs Hardness

Not Available7.5

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

Not Available

Vitreous, Pearly

3.2 Pleochroism

Not Available

visible

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.67-1.761.578-1.639

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

tetragonal

Orthorhombic

3.8 Birefringence

Not Available0.037-0.039

0 0.296

3.9 Clarity

Color grading system

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

Idocrase Vs Grandidierite Fracture

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

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Idocrase Vs Grandidierite Luster

A primary knowledge about Idocrase 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.