Gahnospinel

Iolite

Gahnospinel Vs Iolite

Gahnospinel

Iolite

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Astrology

Origin

Sri Lanka

Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma

Color

Blue

Blue, Violet, Yellow, Grey

Streak

For which Rashi?

Sagittarius, Scorpio

Libra, Sagittarius, Taurus

Planet

Pluto

Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Hephaestus

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.65-4.552.6-2.7

1 7.18

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Fracture

Conchoidal

Cleavage

None, but may exhibit slight parting

3,1

Mohs Hardness

7.5-87-7.5

2 10

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Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Mg₂Al₄Si₅O₁₈

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.735-1.7901.52-1.56

1 3.25

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Optic Character

Crystal System

Isometric

Orthorhombic

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent to translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Supports digestive health

Psychology

Empowerment

Intuition

Healing

Emotional healing

Qualities Associated

Transformation

Intuition

Gahnospinel Vs Iolite Fracture

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

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Gahnospinel Vs Iolite Luster

A primary knowledge about Gahnospinel vs Iolite 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. Gahnospinel exhibits Vitreous luster. Iolite, on other hand, exhibits Vitreous luster.