Alunite

Alexandrite

Alunite Vs Alexandrite

Alunite

Alexandrite

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Astrology

Origin

Australia, Italy

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia

Color

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

Green

Streak

White

For which Rashi?

Scorpio

Planet

Venus

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.6-2.93.69-3.81

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

On {0001}, perfect

1,1 ; 3,2.

Mohs Hardness

3.5-48.5

2 10

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Chemical Composition

KAl3(SO4)2(OH)6

BeAl ₂ O ₄

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Transparent to nearly opaque

Refractive Index

1.5721.739-1.770

1 3.25

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Optic Character

Biaxial/+

Crystal System

Trigonal

Orthorhombic

Birefringence

0.0200.007-0.010

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Stability

Transformation

Healing

Emotional healing

Qualities Associated

Stability

Transformation

Alunite Vs Alexandrite Fracture

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

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Alunite Vs Alexandrite Luster

A primary knowledge about Alunite vs Alexandrite 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. Alexandrite, on other hand, exhibits Vitreous luster.