Almandine

Boulder Opal

Almandine Vs Boulder Opal

Almandine

Boulder Opal

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Astrology

Origin

Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA

Australia

Color

Red, Brown, Brownish, Black

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

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

3.95-4.301.98-2.25

1 7.18

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Fracture

Conchoidal

Cleavage

none

None

Mohs Hardness

7-7.55-6.5

2 10

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Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

SiO 2 + H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Greasy, Vitreous

Pleochroism

None

Dispersion

0.030.01

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.770-1.8201.370-1.470

1 3.25

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Optic Character

Crystal System

cubic

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Strength

Creativity

Healing

Emotional healing

Qualities Associated

Devotion

Creativity

Almandine Vs Boulder Opal Fracture

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

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Almandine Vs Boulder Opal Luster

A primary knowledge about Almandine vs Boulder 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. Almandine exhibits Greasy and Vitreous luster.