Kyanite

Andalusite

Kyanite Vs Andalusite

Kyanite

Andalusite

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Astrology

Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma

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

Color

Blue, Yellow, Colorless, White, gray, Green, Black

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

Streak

White

For which Rashi?

Aries, Libra, Taurus

Planet

Jupiter

Venus

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.53-3.653.05-3.21

1 7.18

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Fracture

Splintery

Uneven, Subconchoidal, Splintery

Cleavage

[100] perfect [010] imperfect with 79° angle between

Good on {110}, poor on {100}

Mohs Hardness

4-77.5

2 10

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Chemical Composition

Al2SiO5

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

Optical Properties

Luster

Vitreous, Pearly

Vitreous, Greasy

Pleochroism

Trichroic

strongly trichroic

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.71-1.741.627-1.650

1 3.25

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Optic Character

Crystal System

Triclinic

Orthorhombic

Birefringence

-99990.009-0.010

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Inner bridges

Perception

Healing

Physical healing

Qualities Associated

Inner Peace

Self-Realization

Kyanite Vs Andalusite Fracture

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

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Kyanite Vs Andalusite Luster

A primary knowledge about Kyanite 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. Kyanite exhibits Vitreous and Pearly luster. Andalusite, on other hand, exhibits Vitreous and Greasy luster.