Black Opal

Benitoite

Black Opal Vs Benitoite

Black Opal

Benitoite

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Astrology

Origin

Australia

USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California

Color

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

Violet, Blue, Colorless, pink, White

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

Solubility

Insoluble: HCl

Durability

Specific Gravity

1.97-2.223.61-3.68

1 7.18

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Fracture

Conchoidal

Cleavage

None

[10 1 1] poor

Mohs Hardness

6-6.56-6.5

2 10

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Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Pleochroism

O = colorless; E = purple

Dispersion

0.010.04

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.370-1.4701.757-1.804

1 3.25

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Optic Character

Crystal System

Hexagonal

Birefringence

-99990.047

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Transformation

Healing

Emotional healing

Qualities Associated

Mystery

Transformation

Black Opal Vs Benitoite Fracture

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

Compare Blue Gemstones

Black Opal Vs Boulder Opal

Black Opal Vs Brucite

Black Opal Vs Caledonite

Black Opal Vs Benitoite Luster

A primary knowledge about Black Opal vs Benitoite 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. Benitoite, on other hand, exhibits Vitreous luster.