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Willemite
Willemite

Stibiotantalite
Stibiotantalite



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Willemite
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Stibiotantalite

Willemite Vs Stibiotantalite

Astrology

Origin

Canada
Mozambique, Southern and central Africa

Color

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

Streak

White
Yellow

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

3.89-4.18-9999
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

{0001}, {11 2 0} imperfect
{???} Perfect

Mohs Hardness

5.55.5-6
2 10
👆🏻

Chemical Composition

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

Optical Properties

Luster

Vitreous, Resinous
Adamantine

Pleochroism

-
-

Dispersion

0.170.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.687-1.7232.37-2.45
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.028-0.0300.08
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Poor
Good

Reproductive

-
-

Digestive

-
Soothes the digestive system

Psychology

Optimism
Creativity

Healing

-
Physical healing

Qualities Associated

Transformation
Creativity

Willemite Vs Stibiotantalite Fracture

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

Willemite Vs Stibiotantalite Luster

A primary knowledge about Willemite vs Stibiotantalite 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. Stibiotantalite, on other hand, exhibits Adamantine luster.