Phenakite

Tantalite

Phenakite Vs Tantalite

Phenakite

Tantalite

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1 Astrology

1.1 Origin

USA, Brazyl, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka

Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe

1.2 Color

Colorless, Yellow, pink, Red

Brown

1.3 Streak

White

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

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.90-2.985.2

1 7.18

2.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

Distinct on {11 2 0}, imperfect on {10 1 1}

Good in one direction

2.7 Mohs Hardness

7.5-86-6.5

2 10

2.8 Chemical Composition

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(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

Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli

Not Available

3.3 Dispersion

0.02NA

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

1.650-1.6952.190-2.457

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.0160.083

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

Phenakite Vs Tantalite Fracture

Fracture is an important parameter when you compare Phenakite and Tantalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Phenakite 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 Phenakite is Brittle, Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001). Tantalite fracture is ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.

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Phenakite Vs Tantalite Luster

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