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Andalusite
Andalusite

Willemite
Willemite



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Andalusite
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Willemite

Andalusite Vs Willemite

Astrology

Origin

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

Color

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

Streak

White
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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.05-3.213.89-4.18
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal, Splintery
Conchoidal, Uneven

Cleavage

Good on {110}, poor on {100}
{0001}, {11 2 0} imperfect

Mohs Hardness

7.55.5
2 10
👆🏻

Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Resinous

Pleochroism

strongly trichroic
-

Dispersion

0.020.17
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.627-1.6501.687-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.009-0.0100.028-0.030
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Excellent
Poor

Reproductive

-
-

Digestive

-
-

Psychology

Perception
Optimism

Healing

Physical healing
-

Qualities Associated

Self-Realization
Transformation

Andalusite Vs Willemite Fracture

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

Andalusite Vs Willemite Luster

A primary knowledge about Andalusite vs Willemite 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. Willemite, on other hand, exhibits Vitreous and Resinous luster.