Spinel

Precious Opal

Spinel Vs Precious Opal

Spinel

Precious Opal

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1 Astrology

1.1 Origin

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia

Australia

1.2 Color

Blue, Violet, Colorless, Red, Green, Brown

Yellow, Green, Blue

1.3 Streak

White

Not Available

1.4 For which Rashi?

Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio

Not Available

1.5 Planet

Pluto

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

Projective

Not Available

1.9 Deities

Hephaestus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Money

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

none

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.64-3.661.98-2.25

1 7.18

2.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

2.6 Cleavage

None, but may exhibit slight parting

Not Available

2.7 Mohs Hardness

85-6.5

2 10

2.8 Chemical Composition

MgAl₂O₄

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

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

Absent

AbsentWalter Schumann

3.3 Dispersion

0.02None

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

3.5 Refractive Index

1.731.370-1.470

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Isometric

Not Available

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

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

Spinel Vs Precious Opal Fracture

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

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Spinel Vs Precious Opal Luster

A primary knowledge about Spinel vs Precious 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. Spinel exhibits Vitreous luster.