Black Opal

Aragonite

Black Opal Vs Aragonite

Black Opal

Aragonite

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1 Astrology

1.1 Origin

Australia

Canada, Pakistan

1.2 Color

White, Colorless, Blue, Red, Green, Yellow, Violet

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

1.3 Streak

Not Available

White

1.4 For which Rashi?

Not Available

Virgo, Capricorn

1.5 Planet

Not Available

Sun

1.6 Element of Planets

Not Available

Earth

1.7 Energy

Not Available

Projective, Receptive

1.8 How to Wear?

1.8.1 Finger

Not Available

1.8.2 Ring Metal

Not Available

1.9 Deities

Not Available

Goddess

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Protection

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

Dilute acid

2.3 Durability

Not Available

2.4 Specific Gravity

1.97-2.222.93-2.96

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

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

2.6 Cleavage

Not Available

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

2.7 Mohs Hardness

6-6.53.5-4

2 10

2.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

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

3 Optical Properties

3.1 Luster

Not Available

Vitreous, Resinous

3.2 Pleochroism

AbsentWalter Schumann

StrongArthur Thomas

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Transparent, Translucent

3.5 Refractive Index

1.370-1.4701.525-1.686

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

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

Black Opal Vs Aragonite Fracture

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

Compare Blue Gemstones

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Black Opal Vs Brucite

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Black Opal Vs Aragonite Luster

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