Nosean

Legrandite

Nosean Vs Legrandite

Nosean

Legrandite

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Astrology

Origin

Southern and central Africa

Mexico

Color

White, Blue, gray, Green, Brown

Yellow, yellowish orange

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

2.30-2.403.98-4.04

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

{110} Perfect

Imperfect, poor one {100}

Mohs Hardness

-99994.5-5

2 10

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Chemical Composition

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Pleochroism

Colorless

Dispersion

0.040.03

0.005 1

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Transparency

Transparent

Refractive Index

-99991.702-1.740

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.060

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Healing

Emotional healing

Qualities Associated

Clarity

Optimism

Nosean Vs Legrandite Fracture

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

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Nosean Vs Legrandite Luster

A primary knowledge about Nosean vs Legrandite 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. Legrandite, on other hand, exhibits Vitreous luster.