Andalusite

Amethyst

Andalusite Vs Amethyst

Andalusite

Amethyst

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Astrology

Origin

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

USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil

Color

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

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

Streak

White

For which Rashi?

Pisces, Scorpio, Sagittarius

Planet

Venus

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Diana

Not to wear with

Powers

Love, Courage

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

insoluble in common solvents

Durability

Specific Gravity

3.05-3.212.65

1 7.18

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Fracture

Uneven, Subconchoidal, Splintery

Conchoidal, ConchoidalWalter Schumann

Cleavage

Good on {110}, poor on {100}

Indiscernible

Mohs Hardness

7.57

2 10

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Chemical Composition

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

SiO₂

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

strongly trichroic

None

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Transparent, Transparent to translucent

Refractive Index

1.627-1.6501.544-1.553

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

0.009-0.0100.009

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Good

Reproductive

Supports reproductive health

Digestive

Supports digestive health

Psychology

Perception

Calming

Healing

Physical healing

Emotional healing

Qualities Associated

Self-Realization

Spirituality

Andalusite Vs Amethyst Fracture

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

Compare Brown Gemstones

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Andalusite Vs Amethyst Luster

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