Gahnospinel

Prehnite

Gahnospinel Vs Prehnite

Gahnospinel

Prehnite

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1 Astrology

1.1 Origin

Sri Lanka

Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France

1.2 Color

Blue

Green, Colorless, gray, Yellow, White

1.3 Streak

Not Available

Colorless

1.4 For which Rashi?

Sagittarius, Scorpio

Libra

1.5 Planet

Pluto

Venus

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

Receptive

1.9 Deities

Hephaestus

Freya

1.10 Not to wear with

Not Available

1.11 Powers

Money

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.65-4.552.80-2.95

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

2.6 Cleavage

None, but may exhibit slight parting

Distinct on [001]

2.7 Mohs Hardness

7.5-86-6.5

2 10

2.8 Chemical Composition

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

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Gemmological Tables (2004)

Translucent

3.5 Refractive Index

1.735-1.7901.611-1.673

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Isometric

Orthorhombic

3.8 Birefringence

Not Available0.021-0.033

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TranslucentHerve 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 Prehnite Fracture

Fracture is an important parameter when you compare Gahnospinel and Prehnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnospinel Vs Prehnite 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). Prehnite fracture is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow.

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Gahnospinel Vs Prehnite Luster

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