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Sellaite
Sellaite

Shigaite
Shigaite



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Sellaite
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Shigaite

Sellaite Vs Shigaite

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Astrology

Origin

Brazil
-

Color

Colorless, White
Yellow, Brown, Black, orange

Streak

White
Yellow, 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
Moderately flexible

Solubility

-
-

Durability

-
-

Specific Gravity

3.14-3.162.32
1 7.18
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Fracture

Conchoidal
-

Cleavage

Perfect on {010} and {110}
Perfect on {0001}

Mohs Hardness

5-5.52
2 10
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Chemical Composition

MgF 2Ulrich Henn and Claudio C.
Pb6Cu3BiS4

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Distinct

Dispersion

0.030.05
0.005 1
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Transparency

Transparent
-

Refractive Index

1.378-1.3901.546
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.012-9999
0 0.296
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Clarity

Transparent
-

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

-
-

Healing

-
-

Qualities Associated

Emotional Healing
Vitality

Sellaite Vs Shigaite Fracture

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

Sellaite Vs Shigaite Luster

A primary knowledge about Sellaite vs Shigaite 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. Sellaite exhibits Vitreous luster. Shigaite, on other hand, exhibits Vitreous luster.