Zinnwaldite

Biotite

Zinnwaldite Vs Biotite

Zinnwaldite

Biotite

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Astrology

Origin

Color

Yellow, Violet, Green, Brown, White, gray, Greenish

Brown, Yellow, White, Greenish

Streak

White

White, 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

Elastic

Brittle

Solubility

Durability

Specific Gravity

2.9-3.12.7-3.3

1 7.18

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Fracture

Uneven

Uneven, Even

Cleavage

Perfect basal {001}

Perfect on the {001}

Mohs Hardness

3.5-4.02.5-3.0

2 10

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Chemical Composition

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

Optical Properties

Luster

Pearly, Vitreous

Vitreous, Pearly

Pleochroism

Distinct

Strong

Dispersion

0.02-

0.005 1

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Transparency

Refractive Index

1.565-1.6251.565-1.625

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

0.040-0.0500.03-0.07

0 0.296

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Clarity

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Healing

Emotional healing

Qualities Associated

Grounding

Zinnwaldite Vs Biotite Fracture

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

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Zinnwaldite Vs Biotite Luster

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