Gahnite

Sugilite

Gahnite Vs Sugilite

Gahnite

Sugilite

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Astrology

Origin

Australia

Canada, Southern and central Africa, Italy, Australia, India

Color

Blue, Green, Greenish, Black

Violet, Brownish, Yellow, Reddish, Pale pink

Streak

Grey, gray

White

For which Rashi?

Virgo

Planet

Mercury, Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

4.00-4.622.69-2.79

1 7.18

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Fracture

Conchoidal, Uneven

Conchoidal

Cleavage

Indistinct parting on [111]

Poor on {0001}

Mohs Hardness

7.5-85.5-6.5

2 10

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Chemical Composition

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

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Pleochroism

Weak

Dispersion

0.030.02

0.005 1

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Transparency

Translucent

Refractive Index

1.790-1.8181.607-1.612

1 3.25

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Optic Character

Crystal System

cubic

Hexagonal

Birefringence

-99990.003

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Aids in digestion and soothes the stomach

Excellent

Reproductive

Digestive

Psychology

Protection

Spirituality

Healing

Emotional healing

Qualities Associated

Harmony

Spiritual Protection

Gahnite Vs Sugilite Fracture

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

Compare Blue Gemstones

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Gahnite Vs Sugilite Luster

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