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Willemite
Willemite

Sugilite
Sugilite



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Willemite
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Sugilite

Willemite Vs Sugilite

Astrology

Origin

Canada
Canada, Southern and central Africa, Italy, Australia, India

Color

Yellow, Brown, Red, White, Green, Reddish, Black
Violet, Brownish, Yellow, Reddish, Pale pink

Streak

White
White

For which Rashi?

-
Virgo

Planet

-
Mercury, Jupiter

Element of Planets

-
Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.89-4.182.69-2.79
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

{0001}, {11 2 0} imperfect
Poor on {0001}

Mohs Hardness

5.55.5-6.5
2 10
👆🏻

Chemical Composition

Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

-
Weak

Dispersion

0.170.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.687-1.7231.607-1.612
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

0.028-0.0300.003
0 0.296
👆🏻

Clarity

Transparent
Translucent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Poor
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

Optimism
Spirituality

Healing

-
Emotional healing

Qualities Associated

Transformation
Spiritual Protection

Willemite Vs Sugilite Fracture

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

Willemite Vs Sugilite Luster

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