Vlasovite

Foitite

Vlasovite Vs Foitite

Vlasovite

Foitite

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Astrology

Origin

Russia

Southern and central Africa

Color

Colorless, Brownish

Violet, Black

Streak

White

gray, White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Nearly insoluble in HCl and HNO₃

Durability

Specific Gravity

2.973.17

1 7.18

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Fracture

Conchoidal

Cleavage

Distinct on {010}

None

Mohs Hardness

2 10

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Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Greasy, Vitreous, Pearly

Vitreous

Pleochroism

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

Strong: pale lavender dark blueAnthony et al

Dispersion

0.010.02

0.005 1

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Transparency

TranslucentAnthony et al, Translucent

Refractive Index

1.607-9999

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Birefringence

-9999-9999

0 0.296

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Clarity

TranslucentAnthony et al

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Reproductive

Digestive

Psychology

Empowerment

Healing

Physical healing

Emotional healing

Qualities Associated

Protection

Emotional Healing

Vlasovite Vs Foitite Fracture

Fracture is an important parameter when you compare Vlasovite and Foitite Physical Properties. It is necessary to understand the significance of these properties, before you compare Vlasovite Vs Foitite 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 Vlasovite is Conchoidal.

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Vlasovite Vs Foitite Luster

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