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Polyhalite
Polyhalite

Fire Opal
Fire Opal



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X
Polyhalite
X
Fire Opal

Polyhalite Vs Fire Opal

Astrology

Origin

Austria
USA

Color

Colorless, White, Red, gray, pink
Red

Streak

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

Soluble
-

Durability

-
-

Specific Gravity

2.781.97-2.22
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

Perfect on {10 1 }; parting on {010}
None

Mohs Hardness

3.56-6.5
2 10
👆🏻

Chemical Composition

K2Ca2Mg(SO4)4·2H2O
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.546-1.5481.370-1.470
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
-

Birefringence

0.021-9999
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

-
Passion

Healing

Physical healing
Emotional healing

Qualities Associated

Emotional Healing
Passion

Polyhalite Vs Fire Opal Fracture

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

Polyhalite Vs Fire Opal Luster

A primary knowledge about Polyhalite vs Fire Opal 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. Polyhalite exhibits Vitreous and Resinous luster.