Andalusite

Atacamite

Andalusite Vs Atacamite

Andalusite

Atacamite

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Astrology

Origin

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

Color

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

Green, Yellow, Black

Streak

White

Green

For which Rashi?

Planet

Venus

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.05-3.213.745-3.776

1 7.18

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Fracture

Uneven, Subconchoidal, Splintery

Conchoidal

Cleavage

Good on {110}, poor on {100}

Perfect on {010}, fair on {101}

Mohs Hardness

7.53-3.5

2 10

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Chemical Composition

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

Cu2Cl(OH)3

Optical Properties

Luster

Vitreous, Greasy

Adamantine, Vitreous

Pleochroism

strongly trichroic

X = pale green; Y = yellow-green; Z = grass-green

Dispersion

0.020.03

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.627-1.6501.831

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.009-0.0100.049

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

Digestive

Psychology

Perception

Transformation

Healing

Physical healing

Qualities Associated

Self-Realization

Healing

Andalusite Vs Atacamite Fracture

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

Compare Brown Gemstones

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Andalusite Vs Atacamite Luster

A primary knowledge about Andalusite vs Atacamite 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. Atacamite, on other hand, exhibits Adamantine and Vitreous luster.