×

Willemite
Willemite

Mottramite
Mottramite



ADD
Compare
X
Willemite
X
Mottramite

Willemite Vs Mottramite

Astrology

Origin

Canada
-

Color

Yellow, Brown, Red, White, Green, Reddish, Black
Brown, Green, Yellow

Streak

White
Green, Brownish

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

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.89-4.185.9
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Sub-Conchoidal

Cleavage

{0001}, {11 2 0} imperfect
None observed

Mohs Hardness

5.53
2 10
👆🏻

Chemical Composition

Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
PbCu(VO4)(OH)

Optical Properties

Luster

Vitreous, Resinous
Greasy

Pleochroism

-
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.170.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.687-1.7232.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.028-0.0300.150
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Poor
Good

Reproductive

-
-

Digestive

-
-

Psychology

Optimism
Confidence

Healing

-
Emotional healing

Qualities Associated

Transformation
Transformation

Willemite Vs Mottramite Fracture

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

Willemite Vs Mottramite Luster

A primary knowledge about Willemite vs Mottramite 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. Mottramite, on other hand, exhibits Greasy luster.