Grandidierite

Amethyst

Grandidierite Vs Amethyst

Grandidierite

Amethyst

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1 Astrology

1.1 Origin

Madagascar

USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Color: violet, purple-violet, Hardness: 7, Refractive index: 1.54 1.55, Density: 2.65 2.66, Chemical composition: SiO2, Crystal structure: hexagonal, Lustre: vitreous, Origins: Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, USA, East Africa, Zambia, Namibia, Madagascar, India, Sri Lanka, Russia, Brazil, Uruguay, Bolivia, Argentina, Australia, Brazil, Uruguay, Bolivia, Argentina, Australia

1.2 Color

Green

Violet, White, Colorless, Blue, Red, Green, Yellow, pink, Violet, pink

1.3 Streak

White

1.4 For which Rashi?

Not Available

Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Diana

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Love, Courage

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

insoluble in common solvents

2.3 Durability

Not Available

2.4 Specific Gravity

2.85-3.002.65

1 7.18

2.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

2.6 Cleavage

Perfect

Indiscernible

2.7 Mohs Hardness

7.57

2 10

2.8 Chemical Composition

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

SiO₂

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

visible

None

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Transparent to translucent

3.5 Refractive Index

1.578-1.6391.544-1.553

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.037-0.0390.009

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

Transparent

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 Amethyst Fracture

Fracture is an important parameter when you compare Grandidierite and Amethyst Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite Vs Amethyst 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. Amethyst fracture is Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001).

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Grandidierite Vs Amethyst Luster

A primary knowledge about Grandidierite vs Amethyst 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. Amethyst, on other hand, exhibits Vitreous luster.