Hematite

Black Opal

Hematite Vs Black Opal

Hematite

Black Opal

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Astrology

Origin

Southern and central Africa

Australia

Color

Black, Reddish, gray, Red

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

Streak

Black, Brown, Reddish, Red

For which Rashi?

Aries, Aquarius

Planet

Saturn

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Mars

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.00-5.301.97-2.22

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Conchoidal

Cleavage

None, may show partings on {0001} and {10 1 1}

None

Mohs Hardness

66-6.5

2 10

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Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

SiO 2 + H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Pleochroism

O = brownish red; E = yellowish red

Dispersion

0.050.01

0.005 1

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Transparency

OpaqueHerve Nicolas Lazzarelli

Transparent, Translucent

Refractive Index

2.690-3.2201.370-1.470

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.280-9999

0 0.296

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Clarity

OpaqueHerve Nicolas Lazzarelli

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Transformation

Healing

Physical healing

Emotional healing

Qualities Associated

Grounding

Mystery

Hematite Vs Black Opal Fracture

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

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Hematite Vs Black Opal Luster

A primary knowledge about Hematite vs Black 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.