Mottramite

Poudretteite

Mottramite Vs Poudretteite

Mottramite

Poudretteite

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Astrology

Origin

Canada, Southern and central Africa

Color

Brown, Green, Yellow

Violet, Colorless, pink

Streak

Green, Brownish

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

Soluble

Durability

Specific Gravity

5.92.51-2.53

1 7.18

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Fracture

Sub-Conchoidal

Conchoidal, Splintery

Cleavage

None observed

None

Mohs Hardness

2 10

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Chemical Composition

PbCu(VO4)(OH)

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Greasy

Vitreous

Pleochroism

Visible X=Y= canary yellow to greenish yellow

Colorless

Dispersion

0.040.02

0.005 1

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Transparency

Refractive Index

2.1701.511-1.532

1 3.25

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Optic Character

Crystal System

Orthorhombic

Hexagonal

Birefringence

0.1500.021

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Confidence

Healing

Emotional healing

Qualities Associated

Transformation

Love

Mottramite Vs Poudretteite Fracture

Fracture is an important parameter when you compare Mottramite and Poudretteite Physical Properties. It is necessary to understand the significance of these properties, before you compare Mottramite Vs Poudretteite 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 Mottramite is Sub-Conchoidal. Poudretteite fracture is Conchoidal and Splintery.

Compare Brown Gemstones

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Mottramite Vs Poudretteite Luster

A primary knowledge about Mottramite vs Poudretteite 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. Mottramite exhibits Greasy luster. Poudretteite, on other hand, exhibits Vitreous luster.