Povondraite

Gahnospinel

Povondraite Vs Gahnospinel

Povondraite

Gahnospinel

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1 Astrology

1.1 Origin

Not Available

Sri Lanka

1.2 Color

Brownish, Black

Blue

1.3 Streak

Brown

Not Available

1.4 For which Rashi?

Not Available

Sagittarius, Scorpio

1.5 Planet

Not Available

Pluto

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

Hephaestus

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Money

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

3.263.65-4.55

1 7.18

2.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

None

None, but may exhibit slight parting

2.7 Mohs Hardness

Not Available7.5-8

2 10

2.8 Chemical Composition

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

3 Optical Properties

3.1 Luster

Resinous

Vitreous

3.2 Pleochroism

Strong: yellow-brown

AbsentWalter Schumann

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

Gemmological Tables (2004)

3.5 Refractive Index

Not Available1.735-1.790

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Isometric

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Translucent

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

Povondraite Vs Gahnospinel Fracture

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

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Povondraite Vs Gahnospinel Luster

A primary knowledge about Povondraite vs Gahnospinel 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. Povondraite exhibits Resinous luster. Gahnospinel, on other hand, exhibits Vitreous luster.