Sapphire

Andalusite

Sapphire Vs Andalusite

Sapphire

Andalusite

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Astrology

Origin

Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA

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

Color

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

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

Streak

White

For which Rashi?

Pisces, Taurus, Gemini, Libra

Planet

Saturn

Venus

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Apollo

Not to wear with

Powers

Psychic Power

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

insoluble

Durability

Specific Gravity

3.95-4.033.05-3.21

1 7.18

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Fracture

Uneven

Uneven, Subconchoidal, Splintery

Cleavage

None, but may exhibit parting

Good on {110}, poor on {100}

Mohs Hardness

97.5

2 10

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Chemical Composition

Al ₂ O ₃

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

Optical Properties

Luster

Vitreous, Adamantine

Vitreous, Greasy

Pleochroism

Strong

strongly trichroic

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Transparent, Translucent

Refractive Index

1.762-1.7881.627-1.650

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.008-0.0090.009-0.010

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

Digestive

Psychology

Intuition

Perception

Healing

Emotional healing

Physical healing

Qualities Associated

Wisdom

Self-Realization

Sapphire Vs Andalusite Fracture

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

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Sapphire Vs Andalusite Luster

A primary knowledge about Sapphire 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. Sapphire exhibits Vitreous and Adamantine luster. Andalusite, on other hand, exhibits Vitreous and Greasy luster.