Biotite

Gahnospinel

Biotite Vs Gahnospinel

Biotite

Gahnospinel

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Astrology

Origin

Sri Lanka

Color

Brown, Yellow, White, Greenish

Blue

Streak

White, gray

For which Rashi?

Sagittarius, Scorpio

Planet

Pluto

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Hephaestus

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.7-3.33.65-4.55

1 7.18

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Fracture

Uneven, Even

Conchoidal

Cleavage

Perfect on the {001}

None, but may exhibit slight parting

Mohs Hardness

2.5-3.07.5-8

2 10

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Chemical Composition

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

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Strong

Dispersion

-0.02

0.005 1

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Transparency

Refractive Index

1.565-1.6251.735-1.790

1 3.25

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Optic Character

Crystal System

monoclinic

Isometric

Birefringence

0.03-0.07-9999

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

Digestive

Psychology

Grounding

Empowerment

Healing

Emotional healing

Qualities Associated

Grounding

Transformation

Biotite Vs Gahnospinel Fracture

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

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Biotite Vs Gahnospinel Luster

A primary knowledge about Biotite vs Gahnospinel 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. Gahnospinel, on other hand, exhibits Vitreous luster.