Gahnospinel

Tourmaline

Gahnospinel Vs Tourmaline

Gahnospinel

Tourmaline

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1 Astrology

1.1 Origin

Sri Lanka

Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan

1.2 Color

Blue

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

1.3 Streak

Not Available

White

1.4 For which Rashi?

Sagittarius, Scorpio

Libra

1.5 Planet

Pluto

Venus, Mars

1.6 Element of Planets

Not Available

Water

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

Venus

1.10 Not to wear with

Not Available

1.11 Powers

Money

Love, Courage

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

3.65-4.552.85-3.35

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

None, but may exhibit slight parting

Indistinct

2.7 Mohs Hardness

7.5-87-7.5

2 10

2.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

typically moderate to strong

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Gemmological Tables (2004)

Transparent, Translucent, Transparent to opaque

3.5 Refractive Index

1.735-1.7901.614-1.666

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Isometric

Trigonal

3.8 Birefringence

Not Available0.014-0.040

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

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 Tourmaline Fracture

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

Compare Blue Gemstones

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Gahnospinel Vs Tourmaline Luster

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