Tanzanite

Black Opal

Tanzanite Vs Black Opal

Tanzanite

Black Opal

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Astrology

Origin

Tanzania

Australia

Color

Blue

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

Streak

White, Colorless

For which Rashi?

Sagittarius, Pisces, Virgo

Planet

Element of Planets

Air, Water, Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love, Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Hard

Specific Gravity

3.351.97-2.22

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Perfect {010}, imperfect {100}

None

Mohs Hardness

6.5-76-6.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

SiO 2 + H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Pleochroism

Present

Dispersion

0.030.01

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

Refractive Index

1.685-1.7071.370-1.470

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.006-0.018-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Excellent

Reproductive

Digestive

Psychology

Intuition

Transformation

Healing

Emotional healing

Qualities Associated

Communication

Mystery

Tanzanite Vs Black Opal Fracture

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

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Tanzanite Vs Black Opal Luster

A primary knowledge about Tanzanite 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. Tanzanite exhibits Vitreous luster.