Opal

Spinel

Opal Vs Spinel

Opal

Spinel

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1 Astrology

1.1 Origin

Ethiopia

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

1.2 Color

Yellow, White, Red, Brown, Blue

Blue, Violet, Colorless, Red, Green, Brown

1.3 Streak

White

1.4 For which Rashi?

Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio

Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio

1.5 Planet

Mercury

Pluto

1.6 Element of Planets

Earth, Air, Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective, Receptive

Projective

1.9 Deities

Cupid

Hephaestus

1.10 Not to wear with

Not Available

1.11 Powers

Astral Projection, Psychicism

Money

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

BrittleWalter Schumann

Not Available

2.2 Solubility

hot salt water

none

2.3 Durability

Not Available

2.4 Specific Gravity

1.98-2.253.64-3.66

1 7.18

2.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

None

None, but may exhibit slight parting

2.7 Mohs Hardness

5-6.58

2 10

2.8 Chemical Composition

SiO₂ · nH₂O

MgAl₂O₄

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

None

Absent

3.3 Dispersion

None0.02

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

3.5 Refractive Index

1.37-1.521.73

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Isometric

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

Opal Vs Spinel Fracture

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

Compare Semi Precious Gemstones

Opal Vs Amethyst

Opal Vs Lehsunia

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Opal Vs Spinel Luster

A primary knowledge about Opal vs Spinel 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. Opal exhibits Pearly and Vitreous luster. Spinel, on other hand, exhibits Vitreous luster.