Precious Opal

Chromite

Precious Opal Vs Chromite

Precious Opal

Chromite

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1 Astrology

1.1 Origin

Australia

Southern and central Africa

1.2 Color

Yellow, Green, Blue

Black, Brownish, Brown, Black, Brownish

1.3 Streak

Not Available

Brown

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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

1.98-2.254.5-4.8

1 7.18

2.5 Fracture

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

Uneven

2.6 Cleavage

Not Available

None, parting may develop along {111}

2.7 Mohs Hardness

5-6.55.5

2 10

2.8 Chemical Composition

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

Fe++Cr2O4

3 Optical Properties

3.1 Luster

Not Available

3.2 Pleochroism

AbsentWalter Schumann

none.

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Transparent, Translucent

Not Available

3.5 Refractive Index

1.370-1.4702.08-2.16

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Isometric

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Transparent

Not Available

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 Chromite Fracture

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

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Precious Opal Vs Chromite Luster

A primary knowledge about Precious Opal vs Chromite 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.