Variscite

Black Opal

Variscite Vs Black Opal

Variscite

Black Opal

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1 Astrology

1.1 Origin

Australia, Spain, Brazil, Germany, Australia, Spain, Brazil, Germany, Australia, Spain, Brazil

Australia

1.2 Color

Green, Blue, Colorless

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

1.3 Streak

White

Not Available

1.4 For which Rashi?

Virgo

Not Available

1.5 Planet

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

Projective

Not Available

1.9 Deities

Past Life Recall

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

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.42-2.581.97-2.22

1 7.18

2.5 Fracture

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

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

2.6 Cleavage

[010] perfect

Not Available

2.7 Mohs Hardness

4-56-6.5

2 10

2.8 Chemical Composition

AlPO₄ · 2(H₂O)

SiO 2 + H 2OUlrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Vitreous, Waxy

Not Available

3.2 Pleochroism

MissingWalter Schumann

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Translucent, Opaque . May be translucent when backlit on the edges.

Transparent, Translucent

3.5 Refractive Index

1.560-1.5941.370-1.470

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Not Available

3.8 Birefringence

0.031Not Available

0 0.296

3.9 Clarity

Translucent

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

Variscite Vs Black Opal Fracture

Fracture is an important parameter when you compare Variscite and Black Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Variscite Vs Black Opal 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 Variscite is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references and Splintery. Black Opal fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).

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Variscite Vs Black Opal Luster

A primary knowledge about Variscite vs Black Opal 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. Variscite exhibits Vitreous and Waxy luster.