Mottramite

Tantalite

Mottramite Vs Tantalite

Mottramite

Tantalite

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Astrology

Origin

Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe

Color

Brown, Green, Yellow

Brown

Streak

Green, Brownish

Brownish, Red, Black

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

5.95.2

1 7.18

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Fracture

Sub-Conchoidal

Subconchoidal, Conchoidal

Cleavage

None observed

Good in one direction

Mohs Hardness

36-6.5

2 10

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Chemical Composition

PbCu(VO4)(OH)

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

Greasy

Resinous

Pleochroism

Visible X=Y= canary yellow to greenish yellow

Dispersion

0.040.03

0.005 1

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Transparency

TransparentWalter Schumann

Refractive Index

2.1702.190-2.457

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.1500.083

0 0.296

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Clarity

TransparentWalter Schumann

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Confidence

Strength

Healing

Emotional healing

Qualities Associated

Transformation

Balance

Mottramite Vs Tantalite Fracture

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

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Mottramite Vs Tantalite Luster

A primary knowledge about Mottramite vs Tantalite 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. Tantalite, on other hand, exhibits Resinous luster.