Anhydrite

Precious Opal

Anhydrite Vs Precious Opal

Anhydrite

Precious Opal

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1 Astrology

1.1 Origin

Mexico

Australia

1.2 Color

Colorless, Blue, Violet, White, Brown, Colorless, Blue, Violet, White, rose, Brown, gray, Colorless, White, Violet, gray, Colorless, White, Violet, gray

Yellow, Green, Blue

1.3 Streak

White

Not Available

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

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.90-2.981.98-2.25

1 7.18

2.5 Fracture

Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

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

2.6 Cleavage

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

Not Available

2.7 Mohs Hardness

3.55-6.5

2 10

2.8 Chemical Composition

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

SiO 2 · nH 2OGemdat.org , Management Team (2012)

3 Optical Properties

3.1 Luster

Pearly, Greasy

Not Available

3.2 Pleochroism

For violet varieties

AbsentWalter Schumann

3.3 Dispersion

0.01None

0.007 1

3.4 Transparency

Transparent

Transparent, Translucent

3.5 Refractive Index

1.570-1.6141.370-1.470

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Not Available

3.8 Birefringence

0.042-0.044Not Available

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

Anhydrite Vs Precious Opal Fracture

Fracture is an important parameter when you compare Anhydrite and Precious Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Anhydrite Vs Precious Opal 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 Anhydrite is Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, Gemstones (2009) and UnevenArthur Thomas. Precious Opal fracture is Conchoidal, Conchoidal and Gemstones of the world (2001) More from other references.

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Anhydrite Vs Precious Opal Luster

A primary knowledge about Anhydrite vs Precious Opal 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. Anhydrite exhibits Greasy and Pearly luster.