Alunite

Tanzanite

Alunite Vs Tanzanite

Alunite

Tanzanite

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Astrology

Origin

Australia, Italy

Tanzania

Color

Yellow, Red, Reddish, Brown, Colorless, White, gray

Blue

Streak

White

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

Brittle

Solubility

Soluble

Durability

Hard

Specific Gravity

2.6-2.93.35

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Conchoidal

Cleavage

On {0001}, perfect

Perfect {010}, imperfect {100}

Mohs Hardness

3.5-46.5-7

2 10

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Chemical Composition

KAl3(SO4)2(OH)6

Ca₂Al₃(SiO₄)₃(OH)

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Present

Dispersion

0.020.03

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.5721.685-1.707

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.0200.006-0.018

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Stability

Intuition

Healing

Emotional healing

Qualities Associated

Stability

Communication

Alunite Vs Tanzanite Fracture

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

Compare Red Gemstones

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Alunite Vs Tanzanite Luster

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