Precious Opal

Demantoid

Precious Opal Vs Demantoid

Precious Opal

Demantoid

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1 Astrology

1.1 Origin

Australia

Italy

1.2 Color

Yellow, Green, Blue

Green

1.3 Streak

Not Available

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

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

1.98-2.253.77-3.95

1 7.18

2.5 Fracture

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

Not Available

2.6 Cleavage

Not Available

2.7 Mohs Hardness

5-6.56.5

2 10

2.8 Chemical Composition

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

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Not Available

Adamantine

3.2 Pleochroism

AbsentWalter Schumann

None

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Transparent, Translucent

Gemmological Tables (2004)

3.5 Refractive Index

1.370-1.4701.880-1.890

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

cubic

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

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 Demantoid Fracture

Fracture is an important parameter when you compare Precious Opal and Demantoid Physical Properties. It is necessary to understand the significance of these properties, before you compare Precious Opal Vs Demantoid 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.

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Precious Opal Vs Demantoid Luster

A primary knowledge about Precious Opal vs Demantoid 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. Demantoid, on other hand, exhibits Adamantine luster.