Tanzanite

Dravite

Tanzanite Vs Dravite

Tanzanite

Dravite

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Astrology

Origin

Tanzania

Southern and central Africa

Color

Blue

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

Streak

White, Colorless

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

3.353.03-3.18

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, Irregular, Conchoidal

Cleavage

Perfect {010}, imperfect {100}

{???} Indistinct

Mohs Hardness

6.5-77-7.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous

Pleochroism

Present

Very strong: pale yellow colorless

Dispersion

0.030.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent

Refractive Index

1.685-1.7071.614-1.666

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Birefringence

0.006-0.0180.014-0.032

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

Self-acceptance

Healing

Emotional healing

Qualities Associated

Communication

Self-Exploration

Tanzanite Vs Dravite Fracture

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

Compare Semi Precious Gemstones

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Tanzanite Vs Dravite Luster

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