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Dravite
Dravite

Opal
Opal



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Dravite
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Opal

Dravite Vs Opal

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Astrology

Origin

Southern and central Africa
Ethiopia

Color

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

Streak

Colorless
White

For which Rashi?

-
Cancer, Libra, Scorpio

Planet

-
Mercury

Element of Planets

-
Earth, Air, Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Cupid

Not to wear with

-
-

Powers

-
Astral Projection, Psychicism

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
BrittleWalter Schumann

Solubility

-
hot salt water

Durability

-
-

Specific Gravity

3.03-3.181.98-2.25
1 7.18
👆🏻

Fracture

Uneven, Irregular, Conchoidal
Conchoidal

Cleavage

{???} Indistinct
None

Mohs Hardness

7-7.55-6.5
2 10
👆🏻

Chemical Composition

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
SiO2 · nH2O

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Very strong: pale yellow colorless
None

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.614-1.6661.37-1.52
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.014-0.032-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Self-acceptance
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Self-Exploration
Creativity

Dravite Vs Opal Fracture

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

Dravite Vs Opal Luster

A primary knowledge about Dravite vs Opal 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. Dravite exhibits Vitreous luster. Opal, on other hand, exhibits Vitreous and Pearly luster.