Biotite

Grossular

Biotite Vs Grossular

Biotite

Grossular

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Astrology

Origin

Sri Lanka, India, Brazil

Color

Brown, Yellow, White, Greenish

Green, Brown, Colorless, gray, Yellow

Streak

White, gray

Brownish, 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

Durability

Specific Gravity

2.7-3.33.55-3.73

1 7.18

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Fracture

Uneven, Even

Conchoidal, Uneven

Cleavage

Perfect on the {001}

none

Mohs Hardness

2.5-3.07-7.5

2 10

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Chemical Composition

K(Mg,Fe++)3[AlSi3O10(OH,F)2

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

Optical Properties

Luster

Vitreous, Pearly

Greasy, Vitreous

Pleochroism

Strong

None

Dispersion

-0.02

0.005 1

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Transparency

Refractive Index

1.565-1.6251.730-1.760

1 3.25

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Optic Character

Crystal System

monoclinic

cubic

Birefringence

0.03-0.070.020

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Helps in digestion and alleviates indigestion

Digestive

Psychology

Grounding

Abundance

Healing

Emotional healing

Physical healing

Qualities Associated

Grounding

Abundance

Biotite Vs Grossular Fracture

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

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Biotite Vs Grossular Luster

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