Grandidierite

Hardystonite

Grandidierite Vs Hardystonite

Grandidierite

Hardystonite

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1 Astrology

1.1 Origin

Madagascar

USA

1.2 Color

Green

White, Brown, pink

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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.85-3.003.396-3.443

1 7.18

2.5 Fracture

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

Brittle, Metallic

2.6 Cleavage

Perfect

[001] good, [100] and [110] fair

2.7 Mohs Hardness

7.53-4

2 10

2.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous, Resinous, Greasy

3.2 Pleochroism

visible

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Handbook of mineralogy (2001)

3.5 Refractive Index

1.578-1.6391.672

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

tetragonal

3.8 Birefringence

0.037-0.039Not Available

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

Handbook of mineralogy (2001)

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 Hardystonite Fracture

Fracture is an important parameter when you compare Grandidierite and Hardystonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Hardystonite 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. Hardystonite fracture is Brittle and Metallic.

Compare Green Gemstones

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Grandidierite Vs Hardystonite Luster

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