Tantalite

Gahnite

Tantalite Vs Gahnite

Tantalite

Gahnite

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1 Astrology

1.1 Origin

Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe

Australia

1.2 Color

Brown

Blue, Green, Greenish, Black

1.3 Streak

Brownish, Red, Black

Grey, gray

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

5.24.00-4.62

1 7.18

2.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Uneven

2.6 Cleavage

Good in one direction

Indistinct parting on [111]

2.7 Mohs Hardness

6-6.57.5-8

2 10

2.8 Chemical Composition

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

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

3 Optical Properties

3.1 Luster

Resinous

Vitreous

3.2 Pleochroism

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

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

Gemmological Tables (2004) More from other references

3.5 Refractive Index

2.190-2.4571.790-1.818

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

cubic

3.8 Birefringence

0.083Not Available

0 0.296

3.9 Clarity

TransparentWalter Schumann

TransparentUlrich Henn and Claudio C. Milisenda

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

Tantalite Vs Gahnite Fracture

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

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Tantalite Vs Gahnite Luster

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