Black Opal

Hureaulite

Black Opal Vs Hureaulite

Black Opal

Hureaulite

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1 Astrology

1.1 Origin

Australia

USA, Southern and central Africa

1.2 Color

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

Violet, Red, White, Reddish

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

1.97-2.223.19

1 7.18

2.5 Fracture

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

Brittle, Uneven

2.6 Cleavage

Not Available

{???} Distinct

2.7 Mohs Hardness

6-6.53.5

2 10

2.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Not Available

Vitreous, Greasy

3.2 Pleochroism

AbsentWalter Schumann

Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Transparent, Translucent

Transparent

3.5 Refractive Index

1.370-1.4701.647-1.667

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

3.8 Birefringence

Not Available0.012

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 Hureaulite Fracture

Fracture is an important parameter when you compare Black Opal and Hureaulite Physical Properties. It is necessary to understand the significance of these properties, before you compare Black Opal Vs Hureaulite 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). Hureaulite fracture is Brittle and Uneven.

Compare Blue Gemstones

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Black Opal Vs Hureaulite Luster

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