Norbergite

Sellaite

Norbergite Vs Sellaite

Norbergite

Sellaite

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Astrology

Origin

USA

Brazil

Color

Yellow, White, Brown, Red

Colorless, White

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

Brittle

Solubility

Durability

Specific Gravity

3.1773.14-3.16

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

{???} Distinct

Perfect on {010} and {110}

Mohs Hardness

6-6.55-5.5

2 10

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Chemical Composition

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

MgF 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Pleochroism

Pale yellow very pale yellow colorlessAnthony et al

Dispersion

0.020.03

0.005 1

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Transparency

Transparent

Refractive Index

1.563-1.5931.378-1.390

1 3.25

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Optic Character

Crystal System

tetragonal

Birefringence

-99990.012

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Confidence

Healing

Emotional healing

Qualities Associated

Balance

Emotional Healing

Norbergite Vs Sellaite Fracture

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

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Norbergite Vs Sellaite Luster

A primary knowledge about Norbergite vs Sellaite 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. Norbergite exhibits Vitreous luster. Sellaite, on other hand, exhibits Vitreous luster.