Prehnite

Black Opal

Facts about Prehnite and Black Opal

Prehnite

Black Opal

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1 Astrology

1.1 Origin

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

Australia

1.2 Color

Green, Colorless, gray, Yellow, White

White, Colorless, Blue, Red, Green, Yellow, Violet

1.3 Streak

Colorless

Not Available

1.4 For which Rashi?

Libra

Not Available

1.5 Planet

Venus

Not Available

1.6 Element of Planets

Earth

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

Freya

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.80-2.951.97-2.22

1 7.18

2.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

Distinct on [001]

Not Available

2.7 Mohs Hardness

6-6.56-6.5

2 10

2.8 Chemical Composition

Ca₂Al₂Si₃O₁₂(OH)

SiO 2 + H 2OUlrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

AbsentWalter Schumann

3.3 Dispersion

NoneNone

0.007 1

3.4 Transparency

Translucent

Transparent, Translucent

3.5 Refractive Index

1.611-1.6731.370-1.470

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Not Available

3.8 Birefringence

0.021-0.033Not Available

0 0.296

3.9 Clarity

TranslucentHerve Nicolas Lazzarelli

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

Prehnite Vs Black Opal Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Prehnite Vs Black Opal specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Prehnite and Black Opal Astrology. Its highly necessary to have a basic knowledge of facts about Prehnite and Black Opal, before you finalize to buy one.

Prehnite is known to regulate the influence of Venus planet.Prehnite, that occurs commonly in Green, Colorless, gray, Yellow, White color, possesses Receptive energy.Black Opal, the unique gem is known to regulate the influence of Not Available planet.