Tanzanite

Andalusite

Tanzanite Vs Andalusite

Tanzanite

Andalusite

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Astrology

Origin

Tanzania

Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)

Color

Blue

Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red

Streak

White, Colorless

White

For which Rashi?

Sagittarius, Pisces, Virgo

Planet

Venus

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

3.353.05-3.21

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, Subconchoidal, Splintery

Cleavage

Perfect {010}, imperfect {100}

Good on {110}, poor on {100}

Mohs Hardness

6.5-77.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous

Vitreous, Greasy

Pleochroism

Present

strongly trichroic

Dispersion

0.030.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

Refractive Index

1.685-1.7071.627-1.650

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.006-0.0180.009-0.010

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Psychology

Intuition

Perception

Healing

Emotional healing

Physical healing

Qualities Associated

Communication

Self-Realization

Tanzanite Vs Andalusite Fracture

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

Compare Semi Precious Gemstones

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Tanzanite Vs Andalusite Luster

A primary knowledge about Tanzanite vs Andalusite 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. Andalusite, on other hand, exhibits Vitreous and Greasy luster.