Tanzanite

Opal

Tanzanite Vs Opal

Tanzanite

Opal

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Astrology

Origin

Tanzania

Ethiopia

Color

Blue

Yellow, White, Red, Brown, Blue

Streak

White, Colorless

White

For which Rashi?

Sagittarius, Pisces, Virgo

Cancer, Libra, Scorpio

Planet

Mercury

Element of Planets

Air, Water, Earth

Earth, Air, Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Cupid

Not to wear with

Powers

Love, Healing

Astral Projection, Psychicism

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

BrittleWalter Schumann

Solubility

hot salt water

Durability

Hard

Specific Gravity

3.351.98-2.25

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Perfect {010}, imperfect {100}

None

Mohs Hardness

6.5-75-6.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

SiO₂ · nH₂O

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Present

None

Dispersion

0.030.01

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.685-1.7071.37-1.52

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal

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

Creativity

Healing

Emotional healing

Qualities Associated

Communication

Creativity

Tanzanite Vs Opal Fracture

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

Compare Semi Precious Gemstones

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Tanzanite Vs Opal Luster

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