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Black Opal
Black Opal

Tantalite
Tantalite



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Black Opal
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Tantalite

Black Opal Vs Tantalite

Astrology

Origin

Australia
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe

Color

White, Colorless, Blue, Red, Green, Yellow, Violet
Brown

Streak

-
Brownish, Red, Black

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

1.97-2.225.2
1 7.18
👆🏻

Fracture

Conchoidal
Subconchoidal, Conchoidal

Cleavage

None
Good in one direction

Mohs Hardness

6-6.56-6.5
2 10
👆🏻

Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

-
Resinous

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
TransparentWalter Schumann

Refractive Index

1.370-1.4702.190-2.457
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.083
0 0.296
👆🏻

Clarity

Transparent
TransparentWalter Schumann

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Transformation
Strength

Healing

Emotional healing
Emotional healing

Qualities Associated

Mystery
Balance

Black Opal Vs Tantalite Fracture

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

Black Opal Vs Tantalite Luster

A primary knowledge about Black Opal vs Tantalite 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. Tantalite, on other hand, exhibits Resinous luster.