Topaz

Gahnospinel

Topaz Vs Gahnospinel

Topaz

Gahnospinel

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1 Astrology

1.1 Origin

Brazil, Madagascar, Russia, USA, Mexico, Pakistan, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia

Sri Lanka

1.2 Color

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

Blue

1.3 Streak

White

Not Available

1.4 For which Rashi?

Sagittarius

Sagittarius, Scorpio

1.5 Planet

Sun

Pluto

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

1.10 Not to wear with

Not Available

1.11 Powers

Healing, Love, Money

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

3.49-3.573.65-4.55

1 7.18

2.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

[001] Perfect

None, but may exhibit slight parting

2.7 Mohs Hardness

87.5-8

2 10

2.8 Chemical Composition

Al₂SiO₄(F,OH)₂

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

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Weak

AbsentWalter Schumann

3.3 Dispersion

0.01NA

0.007 1

3.4 Transparency

Transparent

Gemmological Tables (2004)

3.5 Refractive Index

1.606-1.6441.735-1.790

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Isometric

3.8 Birefringence

0.008-0.011Not Available

0 0.296

3.9 Clarity

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

Topaz Vs Gahnospinel Fracture

Fracture is an important parameter when you compare Topaz and Gahnospinel Physical Properties. It is necessary to understand the significance of these properties, before you compare Topaz 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. Fracture observed in Topaz is Brittle, ConchoidalArthur Thomas, Gemstones (2009), Subconchoidal and Uneven. Gahnospinel fracture is ConchoidalArthur Thomas and Gemstones (2009).

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Topaz Vs Gahnospinel Luster

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