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Opal
Opal

Hureaulite
Hureaulite



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Opal
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Hureaulite

Opal Vs Hureaulite

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Astrology

Origin

Ethiopia
USA, Southern and central Africa

Color

Yellow, White, Red, Brown, Blue
Violet, Red, White, Reddish

Streak

White
White

For which Rashi?

Cancer, Libra, Scorpio
-

Planet

Mercury
-

Element of Planets

Earth, Air, Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Cupid
-

Not to wear with

-
-

Powers

Astral Projection, Psychicism
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

BrittleWalter Schumann
-

Solubility

hot salt water
-

Durability

-
-

Specific Gravity

1.98-2.253.19
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

None
{???} Distinct

Mohs Hardness

5-6.53.5
2 10
👆🏻

Chemical Composition

SiO2 · nH2O
Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Greasy

Pleochroism

None
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
Transparent

Refractive Index

1.37-1.521.647-1.667
1 3.25
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Optic Character

-
-

Crystal System

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

Birefringence

-99990.012
0 0.296
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Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Creativity
Compassion

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Emotional Healing

Opal Vs Hureaulite Fracture

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

Opal Vs Hureaulite Luster

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