Topaz

Prehnite

Topaz Vs Prehnite

Topaz

Prehnite

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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

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

1.2 Color

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

Green, Colorless, gray, Yellow, White

1.3 Streak

White

Colorless

1.4 For which Rashi?

Sagittarius

Libra

1.5 Planet

Sun

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

Freya

1.10 Not to wear with

Not Available

1.11 Powers

Healing, Love, 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

3.49-3.572.80-2.95

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

[001] Perfect

Distinct on [001]

2.7 Mohs Hardness

86-6.5

2 10

2.8 Chemical Composition

Al₂SiO₄(F,OH)₂

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Weak

AbsentWalter Schumann

3.3 Dispersion

0.01None

0.007 1

3.4 Transparency

Transparent

Translucent

3.5 Refractive Index

1.606-1.6441.611-1.673

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

0.008-0.0110.021-0.033

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

Topaz Vs Prehnite Fracture

Fracture is an important parameter when you compare Topaz and Prehnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Topaz 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 Topaz is Brittle, ConchoidalArthur Thomas, Gemstones (2009), Subconchoidal and Uneven. Prehnite fracture is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow.

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Topaz Vs Prehnite Luster

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