Andradite

Dravite

Andradite Vs Dravite

Andradite

Dravite

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Astrology

Origin

Italy, Russia

Southern and central Africa

Color

Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray

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

Brittle

Solubility

Durability

Specific Gravity

3.70-4.103.03-3.18

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Irregular, Conchoidal

Cleavage

none

{???} Indistinct

Mohs Hardness

6.5-77-7.5

2 10

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Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Optical Properties

Luster

Adamantine, Resinous

Vitreous

Pleochroism

Very strong: pale yellow colorless

Dispersion

0.060.02

0.005 1

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Transparency

Transparent

Refractive Index

1.88-1.941.614-1.666

1 3.25

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Optic Character

Crystal System

cubic

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

Birefringence

0.0570.014-0.032

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Positivity

Self-acceptance

Healing

Physical healing

Emotional healing

Qualities Associated

Empowerment

Self-Exploration

Andradite Vs Dravite Fracture

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

Compare Green Gemstones

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Andradite Vs Dravite Luster

A primary knowledge about Andradite 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. Andradite exhibits Adamantine and Resinous luster. Dravite, on other hand, exhibits Vitreous luster.