Biotite

Apophyllite

Biotite Vs Apophyllite

Biotite

Apophyllite

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Astrology

Origin

India, Canada, Brazil

Color

Brown, Yellow, White, Greenish

Colorless, Reddish, White, pink, Green, Yellow, Violet, Blue, Brown

Streak

White, gray

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

2.7-3.32.30-2.50

1 7.18

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Fracture

Uneven, Even

Uneven

Cleavage

Perfect on the {001}

Perfect on (001)

Mohs Hardness

2.5-3.04.5-5

2 10

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Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Strong

Dichroic (colorless)

Dispersion

-0.01

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.565-1.6251.530-1.543

1 3.25

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Optic Character

Uniaxial/-

Crystal System

monoclinic

tetragonal

Birefringence

0.03-0.070.000-0.003

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Aids in mental clarity and intuition

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Spiritual Connection

Healing

Emotional healing

Qualities Associated

Grounding

Connection to Spiritual Guides

Biotite Vs Apophyllite Fracture

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

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Biotite Vs Apophyllite Luster

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