Gedrite

Boulder Opal

Gedrite Vs Boulder Opal

Gedrite

Boulder Opal

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Astrology

Origin

Southern and central Africa

Australia

Color

Brown, Green, gray, White

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

Streak

gray, 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

3.15-3.2591.98-2.25

1 7.18

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Fracture

Conchoidal

Cleavage

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

None

Mohs Hardness

5.5-65-6.5

2 10

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Chemical Composition

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

SiO 2 + H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Pleochroism

Weak to moderate

Dispersion

0.020.01

0.005 1

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Transparency

Transparent

Transparent, Translucent

Refractive Index

1.625-1.7181.370-1.470

1 3.25

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Optic Character

Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Focus

Creativity

Healing

Emotional healing

Qualities Associated

Protection

Creativity

Gedrite Vs Boulder Opal Fracture

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

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Gedrite Vs Boulder Opal Luster

A primary knowledge about Gedrite 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. Gedrite exhibits Vitreous luster.