Powellite

Manganotantalite

Powellite Vs Manganotantalite

Powellite

Manganotantalite

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1 Astrology

1.1 Origin

India

Brazil, Mozambique

1.2 Color

Yellow, Greenish, Blue, Brown, Green, gray

Scarlet, Red

1.3 Streak

Yellow

Not Available

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

4.23Not Available

1 7.18

2.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

{111} Distinct

Not Available

2.7 Mohs Hardness

3.5-45.5-6.5

2 10

2.8 Chemical Composition

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

3 Optical Properties

3.1 Luster

Greasy, Subadamantine

Not Available

3.2 Pleochroism

In deeply colored specimens: blue greenAnthony et al

Sometimes strongArthur Thomas

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

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

3.5 Refractive Index

1.974-1.9842.19-2.34

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

3.8 Birefringence

Not Available0.015

0 0.296

3.9 Clarity

Transparent

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

Powellite Vs Manganotantalite Fracture

Fracture is an important parameter when you compare Powellite and Manganotantalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Powellite Vs Manganotantalite 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 Powellite is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al. Manganotantalite fracture is ConchoidalArthur Thomas and Gemstones (2009).

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Powellite Vs Manganotantalite Luster

A primary knowledge about Powellite vs Manganotantalite 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. Powellite exhibits Greasy and Subadamantine luster.