Gahnite

Hematite

Gahnite Vs Hematite

Gahnite

Hematite

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1 Astrology

1.1 Origin

Australia

Southern and central Africa

1.2 Color

Blue, Green, Greenish, Black

Black, Reddish, gray, Red

1.3 Streak

Grey, gray

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

4.00-4.625.00-5.30

1 7.18

2.5 Fracture

Conchoidal, Uneven

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

2.6 Cleavage

Indistinct parting on [111]

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

2.7 Mohs Hardness

7.5-86

2 10

2.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Fe 2O 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

Not Available

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

1.790-1.8182.690-3.220

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

cubic

Trigonal

3.8 Birefringence

Not Available0.280

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

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

Gahnite Vs Hematite Fracture

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

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Gahnite Vs Hematite Luster

A primary knowledge about Gahnite 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. Gahnite exhibits Vitreous luster.