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Hardystonite
Hardystonite

Sellaite
Sellaite



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Hardystonite
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Sellaite

Hardystonite Vs Sellaite

Astrology

Origin

USA
Brazil

Color

White, Brown, pink
Colorless, White

Streak

White
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
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.396-3.4433.14-3.16
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

[001] good, [100] and [110] fair
Perfect on {010} and {110}

Mohs Hardness

3-45-5.5
2 10
👆🏻

Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
MgF 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Resinous, Greasy
Vitreous

Pleochroism

-
-

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.6721.378-1.390
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
tetragonal

Birefringence

-99990.012
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

Soothes the digestive system
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Self-acceptance
-

Healing

Emotional healing
-

Qualities Associated

Awareness
Emotional Healing

Hardystonite Vs Sellaite Fracture

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

Hardystonite Vs Sellaite Luster

A primary knowledge about Hardystonite vs Sellaite 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. Hardystonite exhibits Vitreous, Resinous and Greasy luster. Sellaite, on other hand, exhibits Vitreous luster.