Prasiolite

Dravite

Prasiolite Vs Dravite

Prasiolite

Dravite

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Astrology

Origin

Canada

Southern and central Africa

Color

Green

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

Streak

Colorless

For which Rashi?

Libra, Sagittarius, Taurus

Planet

Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.653.03-3.18

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Uneven, Irregular, Conchoidal

Cleavage

3,1

{???} Indistinct

Mohs Hardness

77-7.5

2 10

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Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Optical Properties

Luster

Vitreous

Pleochroism

Very weak: light green pale greenWalter Schumann

Very strong: pale yellow colorless

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.544-1.5531.614-1.666

1 3.25

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Optic Character

Crystal System

Trigonal

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

Birefringence

0.0090.014-0.032

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Supports digestive health

Psychology

Self-acceptance

Healing

Emotional healing

Qualities Associated

Spiritual Connection

Self-Exploration

Prasiolite Vs Dravite Fracture

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

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Prasiolite Vs Dravite Luster

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