Biotite

Augite

Biotite Vs Augite

Biotite

Augite

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Astrology

Origin

USA, Mexico

Color

Brown, Yellow, White, Greenish

Green, Brown, Greenish, Black

Streak

White, gray

Greenish, gray

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

2.7-3.33.19-3.56

1 7.18

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Fracture

Uneven, Even

Uneven, Conchoidal

Cleavage

Perfect on the {001}

{110} Perfect, {010} Indistinct

Mohs Hardness

2.5-3.05.5-6

2 10

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Chemical Composition

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

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Vitreous, Pearly

Vitreous, Resinous

Pleochroism

Strong

Pale green

Dispersion

-0.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.565-1.6251.671-1.774

1 3.25

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Optic Character

Crystal System

monoclinic

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.03-0.07-9999

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

Grounding

Courage

Healing

Emotional healing

Qualities Associated

Grounding

Biotite Vs Augite Fracture

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

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Biotite Vs Augite Luster

A primary knowledge about Biotite vs Augite 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. Augite, on other hand, exhibits Vitreous and Resinous luster.