Sellaite

Opal

Sellaite Vs Opal

Sellaite

Opal

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1 Astrology

1.1 Origin

Brazil

Ethiopia

1.2 Color

Colorless, White

Yellow, White, Red, Brown, Blue

1.3 Streak

White

1.4 For which Rashi?

Not Available

Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio

1.5 Planet

Not Available

Mercury

1.6 Element of Planets

Not Available

Earth, Air, Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Projective, Receptive

1.9 Deities

Not Available

Cupid

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Astral Projection, Psychicism

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

BrittleWalter Schumann

2.2 Solubility

Not Available

hot salt water

2.3 Durability

Not Available

2.4 Specific Gravity

3.14-3.161.98-2.25

1 7.18

2.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

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

2.6 Cleavage

Perfect on {010} and {110}

None

2.7 Mohs Hardness

5-5.55-6.5

2 10

2.8 Chemical Composition

MgF 2Ulrich Henn and Claudio C.

SiO₂ · nH₂O

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Pearly

3.2 Pleochroism

Not Available

None

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Transparent

Transparent, Translucent, Transparent to translucent

3.5 Refractive Index

1.378-1.3901.37-1.52

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

tetragonal

Trigonal

3.8 Birefringence

0.012Not 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

Sellaite Vs Opal Fracture

Fracture is an important parameter when you compare Sellaite and Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Sellaite Vs 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 Sellaite is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001). Opal fracture is Brittle, Conchoidal, Conchoidal and Gemstones of the world (2001) More from other references.

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Sellaite Vs Opal Luster

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