Fayalite

Vlasovite

Fayalite Vs Vlasovite

Fayalite

Vlasovite

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1 Astrology

1.1 Origin

Southern and central Africa

Russia

1.2 Color

Yellow, Brown, Black, Black

Colorless, Brownish

1.3 Streak

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 Energy

Not Available

1.8 How to Wear?

1.8.1 Finger

Not Available

1.8.2 Ring Metal

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

Brittle

2.2 Solubility

Not Available

Nearly insoluble in HCl and HNO₃

2.3 Durability

Not Available

2.4 Specific Gravity

4.3922.97

1 7.18

2.5 Fracture

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

Conchoidal, Brittle

2.6 Cleavage

{010} moderate, {100} imperfect

Distinct on {010}

2.7 Mohs Hardness

6.5-76

2 10

2.8 Chemical Composition

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

3 Optical Properties

3.1 Luster

Vitreous, Resinous

Greasy, Vitreous, Pearly

3.2 Pleochroism

Faint

(x): colorless. (y): colorless. (z): colorless.

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Not Available

3.5 Refractive Index

1.827-1.8791.607

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

monoclinic

3.8 Birefringence

0.042-0.051Not Available

0 0.296

3.9 Clarity

TransparentAnthony et al

Not Available

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

Fayalite Vs Vlasovite Fracture

Fracture is an important parameter when you compare Fayalite and Vlasovite Physical Properties. It is necessary to understand the significance of these properties, before you compare Fayalite Vs Vlasovite 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 Fayalite is Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal and Brittle. Vlasovite fracture is Conchoidal and Brittle.

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Fayalite Vs Vlasovite Luster

A primary knowledge about Fayalite vs Vlasovite 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. Fayalite exhibits Vitreous and Resinous luster. Vlasovite, on other hand, exhibits Greasy, Vitreous and Pearly luster.