Black Opal

Bytownite

Black Opal Vs Bytownite

Black Opal

Bytownite

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1 Astrology

1.1 Origin

Australia

Canada, Southern and central Africa, Australia

1.2 Color

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

Colorless, White, Colorless, gray, White

1.3 Streak

Not Available

White

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

1.97-2.222.72-2.75

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006)

2.6 Cleavage

Not Available

Perfect on [001], good on [010], imperfect on [110]

2.7 Mohs Hardness

6-6.56-6.5

2 10

2.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Not Available

Vitreous, Pearly

3.2 Pleochroism

AbsentWalter Schumann

colorless.

3.3 Dispersion

None0.01

0.007 1

3.4 Transparency

Transparent, Translucent

Transparent

3.5 Refractive Index

1.370-1.4701.561-1.583

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Triclinic

3.8 Birefringence

Not Available0.010-0.011

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 Bytownite Fracture

Fracture is an important parameter when you compare Black Opal and Bytownite Physical Properties. It is necessary to understand the significance of these properties, before you compare Black Opal Vs Bytownite 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, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009). Bytownite fracture is Gems, Sixth Edition (2006), Uneven and Uneven.

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Black Opal Vs Bytownite Luster

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