Boulder Opal

Pargasite

Boulder Opal Vs Pargasite

Boulder Opal

Pargasite

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Astrology

Origin

Australia

Southern and central Africa, Vietnam

Color

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

Green, Black, Brown

Streak

White

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

1.98-2.253.04-3.26

1 7.18

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Fracture

Conchoidal

Splintery, Uneven

Cleavage

None

{110} perfect

Mohs Hardness

5-6.55-6

2 10

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Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.370-1.4701.613-1.663

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.020

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Creativity

Healing

Emotional healing

Qualities Associated

Creativity

Healing

Boulder Opal Vs Pargasite Fracture

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

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Boulder Opal Vs Pargasite Luster

A primary knowledge about Boulder Opal vs Pargasite 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. Pargasite, on other hand, exhibits Vitreous luster.