Opal

Aragonite

Opal Vs Aragonite

Opal

Aragonite

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1 Astrology

1.1 Origin

Ethiopia

Canada, Pakistan

1.2 Color

Yellow, White, Red, Brown, Blue

Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, White, gray, Reddish, orange

1.3 Streak

White

1.4 For which Rashi?

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

Virgo, Capricorn, Virgo, Capricorn, Virgo, Capricorn

1.5 Planet

Mercury

Sun

1.6 Element of Planets

Earth, Air, Water

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective, Receptive

1.9 Deities

Cupid

Goddess

1.10 Not to wear with

Not Available

1.11 Powers

Astral Projection, Psychicism

Protection

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

BrittleWalter Schumann

Brittle

2.2 Solubility

hot salt water

Dilute acid

2.3 Durability

Not Available

2.4 Specific Gravity

1.98-2.252.93-2.96

1 7.18

2.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

2.6 Cleavage

None

Distinct on {010}, imperfect {110} and {011}

2.7 Mohs Hardness

5-6.53.5-4

2 10

2.8 Chemical Composition

SiO₂ · nH₂O

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous, Resinous

3.2 Pleochroism

None

StrongArthur Thomas

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

3.5 Refractive Index

1.37-1.521.525-1.686

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

Not Available0.155

0 0.296

3.9 Clarity

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

Opal Vs Aragonite Fracture

Fracture is an important parameter when you compare Opal and Aragonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Opal Vs Aragonite 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. Aragonite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.

Compare Semi Precious Gemstones

Opal Vs Amethyst

Opal Vs Alexandrite

Opal Vs Lehsunia

Opal Vs Aragonite Luster

A primary knowledge about Opal vs Aragonite 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. Aragonite, on other hand, exhibits Resinous and Vitreous luster.