Common Opal

Watermelon Tourmaline

Common Opal Vs Watermelon Tourmaline

Common Opal

Watermelon Tourmaline

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Astrology

Origin

Southern and central Africa

Brazil, USA

Color

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

Streak

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

1.98-2.502.90-3.40

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal, Irregular

Cleavage

None

Indiscernible

Mohs Hardness

5.5-6.57-7.5

2 10

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Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.010.02

0.005 1

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Transparency

Translucent

TransparentGemdat.org

Refractive Index

1.37-1.521.614-1.666

1 3.25

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Optic Character

Crystal System

Birefringence

-99990.014-0.040

0 0.296

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Clarity

Translucent

TransparentGemdat.org

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Love

Healing

Emotional healing

Qualities Associated

Creativity

Love

Common Opal Vs Watermelon Tourmaline Fracture

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

Compare Blue Gemstones

Common Opal Vs Elbaite

Common Opal Vs Falcons Eye

Common Opal Vs Fluorapatite

Common Opal Vs Watermelon Tourmaline Luster

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