Selenite

Opal

Selenite Vs Opal

Selenite

Opal

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Astrology

Origin

Southern and central Africa

Ethiopia

Color

Yellow, White, Red, Brown, Blue

Streak

White

For which Rashi?

Cancer

Cancer, Libra, Scorpio

Planet

Mercury

Element of Planets

Water

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

-99991.98-2.25

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect

None

Mohs Hardness

25-6.5

2 10

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Chemical Composition

CaSO4·2H2O

SiO₂ · nH₂O

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

None

Dispersion

0.010.01

0.005 1

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Transparency

Transparent

Transparent, Translucent, Transparent to translucent

Refractive Index

-99991.37-1.52

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Poor

Reproductive

Digestive

Psychology

Clarity

Creativity

Healing

Emotional healing

Qualities Associated

Clarity

Creativity

Selenite Vs Opal Fracture

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

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Selenite Vs Opal Luster

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