Gahnite

Sapphire

Gahnite Vs Sapphire

Gahnite

Sapphire

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Astrology

Origin

Australia

Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA

Color

Blue, Green, Greenish, Black

Colorless, Yellow, Green, Violet, White, Blue, Red, pink

Streak

Grey, gray

For which Rashi?

Pisces, Taurus, Gemini, Libra

Planet

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Apollo

Not to wear with

Powers

Psychic Power

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

insoluble

Durability

Specific Gravity

4.00-4.623.95-4.03

1 7.18

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Fracture

Conchoidal, Uneven

Uneven

Cleavage

Indistinct parting on [111]

None, but may exhibit parting

Mohs Hardness

7.5-89

2 10

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Chemical Composition

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

Al ₂ O ₃

Optical Properties

Luster

Vitreous

Vitreous, Adamantine

Pleochroism

Strong

Dispersion

0.030.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Refractive Index

1.790-1.8181.762-1.788

1 3.25

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Optic Character

Crystal System

cubic

Trigonal

Birefringence

-99990.008-0.009

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Aids in digestion and soothes the stomach

Good

Reproductive

Digestive

Psychology

Protection

Intuition

Healing

Emotional healing

Qualities Associated

Harmony

Wisdom

Gahnite Vs Sapphire Fracture

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

Compare Blue Gemstones

Gahnite Vs Indicolite Blue Tourmaline

Gahnite Vs Jeremejevite

Gahnite Vs Lazurite

Gahnite Vs Sapphire Luster

A primary knowledge about Gahnite vs Sapphire 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. Sapphire, on other hand, exhibits Vitreous and Adamantine luster.