Precious Opal

Variscite

Precious Opal Vs Variscite

Precious Opal

Variscite

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1 Astrology

1.1 Origin

Australia

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

1.2 Color

Yellow, Green, Blue

Green, Blue, Colorless

1.3 Streak

Not Available

White

1.4 For which Rashi?

Not Available

Virgo

1.5 Planet

Not Available

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

Not Available

Projective

1.9 Deities

Not Available

Past Life Recall

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

1.98-2.252.42-2.58

1 7.18

2.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

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

2.6 Cleavage

Not Available

[010] perfect

2.7 Mohs Hardness

5-6.54-5

2 10

2.8 Chemical Composition

SiO 2 · nH 2OGemdat.org , Management Team (2012)

AlPO₄ · 2(H₂O)

3 Optical Properties

3.1 Luster

Not Available

Vitreous, Waxy

3.2 Pleochroism

AbsentWalter Schumann

MissingWalter Schumann

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Transparent, Translucent

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

3.5 Refractive Index

1.370-1.4701.560-1.594

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

Not Available0.031

0 0.296

3.9 Clarity

Transparent

Translucent

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

Precious Opal Vs Variscite Fracture

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

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Precious Opal Vs Variscite Luster

A primary knowledge about Precious Opal vs Variscite 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, on other hand, exhibits Vitreous and Waxy luster.