Grossular

Dravite

Grossular Vs Dravite

Grossular

Dravite

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Astrology

Origin

Sri Lanka, India, Brazil

Southern and central Africa

Color

Green, Brown, Colorless, gray, Yellow

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

Streak

Brownish, 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

Durability

Specific Gravity

3.55-3.733.03-3.18

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Irregular, Conchoidal

Cleavage

none

{???} Indistinct

Mohs Hardness

7-7.57-7.5

2 10

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Chemical Composition

Ca 3Al 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

Greasy, Vitreous

Vitreous

Pleochroism

None

Very strong: pale yellow colorless

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Refractive Index

1.730-1.7601.614-1.666

1 3.25

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Optic Character

Crystal System

cubic

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

Birefringence

0.0200.014-0.032

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Reproductive

Helps in digestion and alleviates indigestion

Digestive

Psychology

Abundance

Self-acceptance

Healing

Physical healing

Emotional healing

Qualities Associated

Abundance

Self-Exploration

Grossular Vs Dravite Fracture

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

Compare Green Gemstones

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Grossular Vs Dravite Luster

A primary knowledge about Grossular 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. Grossular exhibits Greasy and Vitreous luster. Dravite, on other hand, exhibits Vitreous luster.