Grossular

Alunite

Grossular Vs Alunite

Grossular

Alunite

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Astrology

Origin

Sri Lanka, India, Brazil

Australia, Italy

Color

Green, Brown, Colorless, gray, Yellow

Yellow, Red, Reddish, Brown, Colorless, White, gray

Streak

Brownish, White

White

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

Soluble

Durability

Specific Gravity

3.55-3.732.6-2.9

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

none

On {0001}, perfect

Mohs Hardness

7-7.53.5-4

2 10

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Chemical Composition

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

KAl3(SO4)2(OH)6

Optical Properties

Luster

Greasy, Vitreous

Vitreous, Pearly

Pleochroism

None

Dispersion

0.020.02

0.005 1

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Transparency

Refractive Index

1.730-1.7601.572

1 3.25

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Optic Character

Crystal System

cubic

Trigonal

Birefringence

0.0200.020

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Helps in digestion and alleviates indigestion

Digestive

Psychology

Abundance

Stability

Healing

Physical healing

Emotional healing

Qualities Associated

Abundance

Stability

Grossular Vs Alunite Fracture

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

Compare Green Gemstones

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Grossular Vs Alunite Luster

A primary knowledge about Grossular vs Alunite 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. Alunite, on other hand, exhibits Vitreous and Pearly luster.