Dravite

Arfvedsonite

Dravite Vs Arfvedsonite

Dravite

Arfvedsonite

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Astrology

Origin

Southern and central Africa

Canada, Russia

Color

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

Black, Green, gray

Streak

Colorless

gray, Green

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

3.03-3.183.3-3.5

1 7.18

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Fracture

Uneven, Irregular, Conchoidal

Uneven

Cleavage

{???} Indistinct

Perfect on [110]

Mohs Hardness

7-7.55-6

2 10

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Chemical Composition

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

NaNa2(Fe++4Fe+++)Si8O22(OH)2

Optical Properties

Luster

Vitreous

Pleochroism

Very strong: pale yellow colorless

Strong: Blue-greens

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Refractive Index

1.614-1.6661.652-1.699

1 3.25

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Optic Character

Crystal System

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

monoclinic

Birefringence

0.014-0.032-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Promotes psychic abilities and spiritual growth

Cardiovascular

Respiratory

Excellent

Reproductive

Digestive

Psychology

Self-acceptance

Insight

Healing

Emotional healing

Qualities Associated

Self-Exploration

Manifestation

Dravite Vs Arfvedsonite Fracture

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

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Dravite Vs Arfvedsonite Luster

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