Iolite

Gahnospinel

Iolite Vs Gahnospinel

Iolite

Gahnospinel

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1 Astrology

1.1 Origin

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

Sri Lanka

1.2 Color

Blue, Violet, Blue, Yellow, Grey

Blue

1.3 Streak

Not Available

1.4 For which Rashi?

Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus

Sagittarius, Scorpio

1.5 Planet

Jupiter

Pluto

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Projective

1.9 Deities

Goddess

Hephaestus

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Money

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.6-2.73.65-4.55

1 7.18

2.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

3,1

None, but may exhibit slight parting

2.7 Mohs Hardness

7-7.57.5-8

2 10

2.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

AbsentWalter Schumann

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004)

3.5 Refractive Index

1.52-1.561.735-1.790

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Isometric

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Transparent to translucent

TransparentUlrich Henn and Claudio C. Milisenda

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Iolite Vs Gahnospinel Fracture

Fracture is an important parameter when you compare Iolite and Gahnospinel Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite Vs Gahnospinel 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. Gahnospinel fracture is ConchoidalArthur Thomas and Gemstones (2009).

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Iolite Vs Gahnospinel Luster

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