Andalusite

Alexandrite

Andalusite Vs Alexandrite

Andalusite

Alexandrite

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Astrology

Origin

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

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

Color

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

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

Solubility

Durability

Specific Gravity

3.05-3.213.69-3.81

1 7.18

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Fracture

Uneven, Subconchoidal, Splintery

Cleavage

Good on {110}, poor on {100}

1,1 ; 3,2.

Mohs Hardness

7.58.5

2 10

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Chemical Composition

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

BeAl ₂ O ₄

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

strongly trichroic

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Transparent, Transparent to nearly opaque

Refractive Index

1.627-1.6501.739-1.770

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.009-0.0100.007-0.010

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Aids in grounding and protection

Respiratory

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Perception

Transformation

Healing

Physical healing

Emotional healing

Qualities Associated

Self-Realization

Transformation

Andalusite Vs Alexandrite Fracture

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

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Andalusite Vs Alexandrite Luster

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