Grandidierite

Super Seven Crystals

Grandidierite Vs Super Seven Crystals

Grandidierite

Super Seven Crystals

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1 Astrology

1.1 Origin

Madagascar

Spain

1.2 Color

Green

Brown, Green, Brownish, Yellow, Greenish, White, Brown, Black

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 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

2.85-3.002.9

1 7.18

2.5 Fracture

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

Fibrous

2.6 Cleavage

Perfect

[010] Perfect, [100] Distinct, [011] Distinct

2.7 Mohs Hardness

7.52

2 10

2.8 Chemical Composition

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

Not Available

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous, Pearly, Silky

3.2 Pleochroism

visible

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent, Opaque

3.5 Refractive Index

1.578-1.6391.519-1.521

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

monoclinic

3.8 Birefringence

0.037-0.0390.0090-0.0100

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

Not Available

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

Grandidierite Vs Super Seven Crystals Fracture

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

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Grandidierite Vs Super Seven Crystals Luster

A primary knowledge about Grandidierite vs Super Seven Crystals 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 exhibits Pearly and Vitreous luster. Super Seven Crystals, on other hand, exhibits Pearly, Silky and Vitreous luster.