Onyx

Prehnite

Onyx Vs Prehnite

Onyx

Prehnite

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1 Astrology

1.1 Origin

Not Available

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

1.2 Color

White

Green, Colorless, gray, Yellow, White

1.3 Streak

Not Available

Colorless

1.4 For which Rashi?

Capricorn

Libra

1.5 Planet

Saturn

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

Mars

Freya

1.10 Not to wear with

Not Available

1.11 Powers

Protection

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Capricorn

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

2.55-2.702.80-2.95

1 7.18

2.5 Fracture

Not Available

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

2.6 Cleavage

Indiscernible

Distinct on [001]

2.7 Mohs Hardness

6.5-76-6.5

2 10

2.8 Chemical Composition

SiO₂

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Translucent, Opaque, Translucent to opaque

Translucent

3.5 Refractive Index

1.530-1.5431.611-1.673

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

Not Available0.021-0.033

0 0.296

3.9 Clarity

OpaqueHerve Nicolas Lazzarelli

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

Onyx Vs Prehnite Fracture

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

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Onyx Vs Prehnite Luster

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