Tanzanite

Polyhalite

Tanzanite Vs Polyhalite

Tanzanite

Polyhalite

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Astrology

Origin

Tanzania

Austria

Color

Blue

Colorless, White, Red, gray, pink

Streak

White, Colorless

White

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

Brittle

Solubility

Soluble

Durability

Hard

Specific Gravity

3.352.78

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Perfect {010}, imperfect {100}

Perfect on {10 1 }; parting on {010}

Mohs Hardness

6.5-73.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

K2Ca2Mg(SO4)4·2H2O

Optical Properties

Luster

Vitreous

Vitreous, Resinous

Pleochroism

Present

Dispersion

0.030.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.685-1.7071.546-1.548

1 3.25

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Optic Character

Crystal System

Orthorhombic

Triclinic

Birefringence

0.006-0.0180.021

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Intuition

Healing

Emotional healing

Physical healing

Qualities Associated

Communication

Emotional Healing

Tanzanite Vs Polyhalite Fracture

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

Compare Semi Precious Gemstones

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Tanzanite Vs Polyhalite Luster

A primary knowledge about Tanzanite vs Polyhalite 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. Polyhalite, on other hand, exhibits Vitreous and Resinous luster.