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Fluorite
Fluorite

Black Opal
Black Opal



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Fluorite
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Black Opal

Fluorite Vs Black Opal

Astrology

Origin

Southern and central Africa, Switzerland
Australia

Color

Red, Brown, Green, Yellow, Blue, Colorless, Pale pink, White, Black, pink
White, Colorless, Blue, Red, Green, Yellow, Violet

Streak

White
-

For which Rashi?

Scorpio, Aquarius, Pisces
-

Planet

Neptune
-

Element of Planets

Water, Air
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

slightly water soluble and in hot hydrochloric acid
-

Durability

-
-

Specific Gravity

3.00-3.251.97-2.22
1 7.18
👆🏻

Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann
Conchoidal

Cleavage

Octahedral, perfect on {111}, parting on {011}
None

Mohs Hardness

46-6.5
2 10
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Chemical Composition

CaF2
SiO 2 + H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Translucent, Transparent to translucent
Transparent, Translucent

Refractive Index

1.432-1.4361.370-1.470
1 3.25
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Optic Character

-
-

Crystal System

cubic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

Supports digestive health
-

Psychology

Focus
Transformation

Healing

Emotional healing
Emotional healing

Qualities Associated

Protection
Mystery

Fluorite Vs Black Opal Fracture

Fracture is an important parameter when you compare Fluorite and Black Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Fluorite Vs Black 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 Fluorite is Subconchoidal, Uneven and ConchoidalWalter Schumann. Black Opal fracture is Conchoidal.

Fluorite Vs Black Opal Luster

A primary knowledge about Fluorite vs Black 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. Fluorite exhibits Vitreous luster.