Jacobsite

Afghanite

Jacobsite Vs Afghanite

Jacobsite

Afghanite

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Astrology

Origin

Southern and central Africa

Afghanistan, Italy

Color

Black, Brownish, White, Brown

Blue, Colorless

Streak

Reddish, Black

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

Solubility

Durability

Specific Gravity

4.76-5.032.55-2.65

1 7.18

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Fracture

Conchoidal

Cleavage

None

Perfect {10 1 0}

Mohs Hardness

5.5-6.55.5-6

2 10

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Chemical Composition

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

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.030.02

0.005 1

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Transparency

Translucent

Transparent

Refractive Index

-99991.523

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

-99990.006

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Insight

Harmony

Healing

Emotional healing

Qualities Associated

Grounding

Communication

Jacobsite Vs Afghanite Fracture

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

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Jacobsite Vs Afghanite Luster

A primary knowledge about Jacobsite vs Afghanite 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. Afghanite, on other hand, exhibits Vitreous luster.