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Dravite
Dravite

Gahnite
Gahnite



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Dravite
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Gahnite

Dravite Vs Gahnite

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Astrology

Origin

Southern and central Africa
Australia

Color

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

Streak

Colorless
Grey, gray

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

3.03-3.184.00-4.62
1 7.18
👆🏻

Fracture

Uneven, Irregular, Conchoidal
Conchoidal, Uneven

Cleavage

{???} Indistinct
Indistinct parting on [111]

Mohs Hardness

7-7.57.5-8
2 10
👆🏻

Chemical Composition

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Very strong: pale yellow colorless
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.614-1.6661.790-1.818
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.014-0.032-9999
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

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Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

-
Aids in digestion and soothes the stomach

Reproductive

-
-

Digestive

-
-

Psychology

Self-acceptance
Protection

Healing

Emotional healing
Emotional healing

Qualities Associated

Self-Exploration
Harmony

Dravite Vs Gahnite Fracture

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

Dravite Vs Gahnite Luster

A primary knowledge about Dravite vs Gahnite 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. Gahnite, on other hand, exhibits Vitreous luster.