Gahnite

Oligoclase

Gahnite Vs Oligoclase

Gahnite

Oligoclase

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Astrology

Origin

Australia

Southern and central Africa

Color

Blue, Green, Greenish, Black

Colorless, Brown, Greenish, gray

Streak

Grey, 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

Solubility

Durability

Specific Gravity

4.00-4.622.62-2.67

1 7.18

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Fracture

Conchoidal, Uneven

Uneven

Cleavage

Indistinct parting on [111]

From the Greek, oligos and kasein, little cleavage.

Mohs Hardness

7.5-86-6.5

2 10

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Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.030.01

0.005 1

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Transparency

Refractive Index

1.790-1.8181.538-1.550

1 3.25

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Optic Character

Crystal System

cubic

Birefringence

-99990.010

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Aids in digestion and soothes the stomach

Reproductive

Digestive

Psychology

Protection

Harmony

Healing

Emotional healing

Qualities Associated

Harmony

Gahnite Vs Oligoclase Fracture

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

Compare Blue Gemstones

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Gahnite Vs Lazurite

Gahnite Vs Oligoclase Luster

A primary knowledge about Gahnite vs Oligoclase 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. Gahnite exhibits Vitreous luster. Oligoclase, on other hand, exhibits Vitreous luster.