×

Willemite
Willemite

Sard
Sard



ADD
Compare
X
Willemite
X
Sard

Willemite Vs Sard

Add ⊕

Astrology

Origin

Canada
Southern and central Africa

Color

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

Streak

White
-

For which Rashi?

-
-

Planet

-
-

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

3.89-4.182.58-2.63
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

{0001}, {11 2 0} imperfect
None

Mohs Hardness

5.56.5-7
2 10
👆🏻

Chemical Composition

Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Resinous
Waxy

Pleochroism

-
-

Dispersion

0.170.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.687-1.7231.535-1.539
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.028-0.0300.008-0.010
0 0.296
👆🏻

Clarity

Transparent
Translucent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Poor
-

Reproductive

-
-

Digestive

-
-

Psychology

Optimism
Strength

Healing

-
Emotional healing

Qualities Associated

Transformation
Protection

Willemite Vs Sard Fracture

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

Willemite Vs Sard Luster

A primary knowledge about Willemite vs Sard 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. Sard, on other hand, exhibits Waxy luster.