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Spinel
Spinel

Willemite
Willemite



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Spinel
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Willemite

Spinel Vs Willemite

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Astrology

Origin

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Canada

Color

Blue, Violet, Colorless, Red, Green, Brown
Yellow, Brown, Red, White, Green, Reddish, Black

Streak

White
White

For which Rashi?

Sagittarius, Scorpio
-

Planet

Pluto
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Hephaestus
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.64-3.663.89-4.18
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal, Uneven

Cleavage

None, but may exhibit slight parting
{0001}, {11 2 0} imperfect

Mohs Hardness

85.5
2 10
👆🏻

Chemical Composition

MgAl2O4
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

Absent
-

Dispersion

0.020.17
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
Transparent, Translucent

Refractive Index

1.731.687-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Trigonal

Birefringence

-99990.028-0.030
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Poor

Reproductive

-
-

Digestive

-
-

Psychology

Revitalization
Optimism

Healing

Emotional healing
-

Qualities Associated

Vitality
Transformation

Spinel Vs Willemite Fracture

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

Spinel Vs Willemite Luster

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