Common Opal

Ettringite

Common Opal Vs Ettringite

Common Opal

Ettringite

Add ⊕

1 Astrology

1.1 Origin

Southern and central Africa

1.2 Color

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

Colorless, Yellow, White, Colorless, 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

2.2 Solubility

Not Available

Partially soluble in water

2.3 Durability

Not Available

2.4 Specific Gravity

1.98-2.501.77

1 7.18

2.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Not Available

2.6 Cleavage

Not Available

Perfect on {10 1 0}

2.7 Mohs Hardness

5.5-6.52-2.5

2 10

2.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Not Available

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent

Transparent, Translucent

3.5 Refractive Index

1.37-1.521.470-1.491

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Trigonal

3.8 Birefringence

Not Available0.021

0 0.296

3.9 Clarity

Translucent

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

Common Opal Vs Ettringite Fracture

Fracture is an important parameter when you compare Common Opal and Ettringite Physical Properties. It is necessary to understand the significance of these properties, before you compare Common Opal Vs Ettringite 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 Common Opal is Conchoidal, Conchoidal and Gemstones of the world (2001).

Compare Blue Gemstones

Common Opal Vs Dravite

Common Opal Vs Diamond

Common Opal Vs Dumortierite

Common Opal Vs Ettringite Luster

A primary knowledge about Common Opal vs Ettringite 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. Ettringite, on other hand, exhibits Vitreous luster.