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Williamsite
Williamsite

Dravite
Dravite



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Williamsite
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Dravite

Williamsite Vs Dravite

Astrology

Origin

Southern and central Africa
Southern and central Africa

Color

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

Streak

-
Colorless

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

2.51-2.633.03-3.18
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Irregular, Conchoidal

Cleavage

Perfect
{???} Indistinct

Mohs Hardness

47-7.5
2 10
👆🏻

Chemical Composition

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Vitreous

Pleochroism

-
Very strong: pale yellow colorless

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
Transparent

Refractive Index

1.530-1.5751.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Birefringence

-99990.014-0.032
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Compassion
Self-acceptance

Healing

-
Emotional healing

Qualities Associated

Compassion
Self-Exploration

Williamsite Vs Dravite Fracture

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

Williamsite Vs Dravite Luster

A primary knowledge about Williamsite vs Dravite 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. Williamsite exhibits Waxy, Silky, Resinous and Greasy luster. Dravite, on other hand, exhibits Vitreous luster.