Alunite

Andalusite

Alunite Vs Andalusite

Alunite

Andalusite

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Astrology

Origin

Australia, Italy

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

Color

Yellow, Red, Reddish, Brown, Colorless, White, gray

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

Streak

White

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

Soluble

Durability

Specific Gravity

2.6-2.93.05-3.21

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Subconchoidal, Splintery

Cleavage

On {0001}, perfect

Good on {110}, poor on {100}

Mohs Hardness

3.5-47.5

2 10

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Chemical Composition

KAl3(SO4)2(OH)6

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

Optical Properties

Luster

Vitreous, Pearly

Vitreous, Greasy

Pleochroism

strongly trichroic

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.5721.627-1.650

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.0200.009-0.010

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

Stability

Perception

Healing

Emotional healing

Physical healing

Qualities Associated

Stability

Self-Realization

Alunite Vs Andalusite Fracture

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

Compare Red Gemstones

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Alunite Vs Andalusite Luster

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