Gahnite

Tantalite

Gahnite Vs Tantalite

Gahnite

Tantalite

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1 Astrology

1.1 Origin

Australia

Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe

1.2 Color

Blue, Green, Greenish, Black

Brown

1.3 Streak

Grey, gray

Brownish, Red, Black

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

4.00-4.625.2

1 7.18

2.5 Fracture

Conchoidal, Uneven

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

Indistinct parting on [111]

Good in one direction

2.7 Mohs Hardness

7.5-86-6.5

2 10

2.8 Chemical Composition

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

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

3 Optical Properties

3.1 Luster

Vitreous

Resinous

3.2 Pleochroism

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

3.5 Refractive Index

1.790-1.8182.190-2.457

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

cubic

Orthorhombic

3.8 Birefringence

Not Available0.083

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TransparentWalter Schumann

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 Tantalite Fracture

Fracture is an important parameter when you compare Gahnite and Tantalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnite Vs Tantalite 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. Tantalite fracture is ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.

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Gahnite Vs Tantalite Luster

A primary knowledge about Gahnite vs Tantalite 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. Tantalite, on other hand, exhibits Resinous luster.