Gahnospinel

Onyx

Gahnospinel Vs Onyx

Gahnospinel

Onyx

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1 Astrology

1.1 Origin

Sri Lanka

Not Available

1.2 Color

Blue

White

1.3 Streak

Not Available

1.4 For which Rashi?

Sagittarius, Scorpio

Capricorn

1.5 Planet

Pluto

Saturn

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

1.9 Deities

Hephaestus

Mars

1.10 Not to wear with

Not Available

1.11 Powers

Money

Protection

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

Capricorn

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.65-4.552.55-2.70

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Not Available

2.6 Cleavage

None, but may exhibit slight parting

Indiscernible

2.7 Mohs Hardness

7.5-86.5-7

2 10

2.8 Chemical Composition

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

SiO₂

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004)

Translucent, Opaque, Translucent to opaque

3.5 Refractive Index

1.735-1.7901.530-1.543

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Isometric

Trigonal

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

OpaqueHerve Nicolas Lazzarelli

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

Gahnospinel Vs Onyx Fracture

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

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Gahnospinel Vs Onyx Luster

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