Foitite

Jacobsite

Foitite Vs Jacobsite

Foitite

Jacobsite

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Astrology

Origin

Southern and central Africa

Color

Violet, Black

Black, Brownish, White, Brown

Streak

gray, White

Reddish, Black

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

Solubility

Durability

Specific Gravity

3.174.76-5.03

1 7.18

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Fracture

Conchoidal

Cleavage

None

Mohs Hardness

75.5-6.5

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)

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Vitreous

Pleochroism

Strong: pale lavender dark blueAnthony et al

Dispersion

0.020.03

0.005 1

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Transparency

TranslucentAnthony et al, Translucent

Translucent

Refractive Index

-9999-9999

1 3.25

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Optic Character

Crystal System

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

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Reproductive

Digestive

Psychology

Empowerment

Insight

Healing

Emotional healing

Qualities Associated

Emotional Healing

Grounding

Foitite Vs Jacobsite Fracture

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

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Foitite Vs Jacobsite Luster

A primary knowledge about Foitite vs Jacobsite 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. Foitite exhibits Vitreous luster.