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Dravite
Dravite

Bytownite
Bytownite



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Dravite
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Bytownite

Dravite Vs Bytownite

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Astrology

Origin

Southern and central Africa
Canada, Southern and central Africa, Australia

Color

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

Streak

Colorless
White

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

-
-

Durability

-
-

Specific Gravity

3.03-3.182.72-2.75
1 7.18
👆🏻

Fracture

Uneven, Irregular, Conchoidal
Uneven

Cleavage

{???} Indistinct
Perfect on [001], good on [010], imperfect on [110]

Mohs Hardness

7-7.56-6.5
2 10
👆🏻

Chemical Composition

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Very strong: pale yellow colorless
colorless.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.614-1.6661.561-1.583
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.014-0.0320.010-0.011
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
Poor

Reproductive

-
-

Digestive

-
-

Psychology

Self-acceptance
Clarity

Healing

Emotional healing
Emotional healing

Qualities Associated

Self-Exploration
Clarity

Dravite Vs Bytownite Fracture

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

Dravite Vs Bytownite Luster

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