Precious Opal

Tanzanite

Precious Opal Vs Tanzanite

Precious Opal

Tanzanite

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Astrology

Origin

Australia

Tanzania

Color

Yellow, Green, Blue

Blue

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

1.98-2.253.35

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal

Cleavage

None

Perfect {010}, imperfect {100}

Mohs Hardness

5-6.56.5-7

2 10

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Chemical Composition

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Ca₂Al₃(SiO₄)₃(OH)

Optical Properties

Luster

Vitreous

Pleochroism

Present

Dispersion

0.010.03

0.005 1

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Transparency

Transparent, Translucent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.370-1.4701.685-1.707

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

-99990.006-0.018

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Creativity

Intuition

Healing

Emotional healing

Qualities Associated

Creativity

Communication

Precious Opal Vs Tanzanite Fracture

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

Compare Blue Gemstones

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Precious Opal Vs Tanzanite Luster

A primary knowledge about Precious Opal vs Tanzanite 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, on other hand, exhibits Vitreous luster.