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Bustamite
Bustamite

Dravite
Dravite



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Bustamite
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Dravite

Bustamite Vs Dravite

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Astrology

Origin

Australia
Southern and central Africa

Color

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

Streak

White
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

Partly soluble in HCl.
-

Durability

-
-

Specific Gravity

3.32-3.433.03-3.18
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Irregular, Conchoidal

Cleavage

{100} perfect; {110} and {1 1 0} good; {010} poor
{???} Indistinct

Mohs Hardness

5.5-67-7.5
2 10
👆🏻

Chemical Composition

(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak
Very strong: pale yellow colorless

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.662-1.7071.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.013-0.0150.014-0.032
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Excellent
-

Reproductive

-
-

Digestive

-
-

Psychology

Love
Self-acceptance

Healing

Emotional healing
Emotional healing

Qualities Associated

Love
Self-Exploration

Bustamite Vs Dravite Fracture

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

Bustamite Vs Dravite Luster

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