Grandidierite

Hematite

Grandidierite Vs Hematite

Grandidierite

Hematite

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1 Astrology

1.1 Origin

Madagascar

Southern and central Africa

1.2 Color

Green

Black, Reddish, gray, Red

1.3 Streak

White

Black, Brown, Reddish, Red

1.4 For which Rashi?

Not Available

Aries, Aquarius, Aries, Aquarius, Aries, Aquarius

1.5 Planet

Not Available

Saturn

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

Projective

1.9 Deities

Not Available

Mars

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Healing

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

2.85-3.005.00-5.30

1 7.18

2.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

2.6 Cleavage

Perfect

None, may show partings on {0001} and {10 1 1}

2.7 Mohs Hardness

7.56

2 10

2.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Not Available

3.2 Pleochroism

visible

O = brownish red; E = yellowish red

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references

3.5 Refractive Index

1.578-1.6392.690-3.220

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.037-0.0390.280

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

OpaqueHerve Nicolas Lazzarelli

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 Hematite Fracture

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

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Grandidierite Vs Hematite Luster

A primary knowledge about Grandidierite vs Hematite 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.