Achroite

Dravite

Achroite Vs Dravite

Achroite

Dravite

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Astrology

Origin

Afghanistan, Sri Lanka

Southern and central Africa

Color

Colorless, Blue

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

Streak

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

Durability

Specific Gravity

2.90-3.403.03-3.18

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven, Irregular, Conchoidal

Cleavage

Indiscernible

{???} Indistinct

Mohs Hardness

7-7.57-7.5

2 10

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Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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 strong: pale yellow colorless

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.614-1.6661.614-1.666

1 3.25

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Optic Character

Crystal System

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

Birefringence

0.014-0.0400.014-0.032

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Excellent

Reproductive

Digestive

Psychology

Balance

Self-acceptance

Healing

Emotional healing

Qualities Associated

Spiritual Growth

Self-Exploration

Achroite Vs Dravite Fracture

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

Compare Gems Found in South Asia

Achroite Vs Apatite

Achroite Vs Apophyllite

Achroite Vs Aquamarine

Achroite Vs Dravite Luster

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