Bastnasite

Tantalite

Bastnasite Vs Tantalite

Bastnasite

Tantalite

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Astrology

Origin

Turkey, Russia, Canada

Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe

Color

Reddish, Brown

Brown

Streak

White

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

Solubility

Durability

Specific Gravity

4.95-5.05.2

1 7.18

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Fracture

Uneven

Subconchoidal, Conchoidal

Cleavage

Imperfect to indistinct on {10 1 0}, parting on {0001}

Good in one direction

Mohs Hardness

4-56-6.5

2 10

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Chemical Composition

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Optical Properties

Luster

Vitreous, Greasy, Pearly

Resinous

Pleochroism

Faint

Dispersion

0.020.03

0.005 1

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Transparency

TransparentWalter Schumann

Refractive Index

1.717-1.7222.190-2.457

1 3.25

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Optic Character

Crystal System

Hexagonal

Orthorhombic

Birefringence

0.1000.083

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TransparentWalter Schumann

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Strength

Healing

Physical healing

Emotional healing

Qualities Associated

Creativity

Balance

Bastnasite Vs Tantalite Fracture

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

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Bastnasite Vs Tantalite Luster

A primary knowledge about Bastnasite 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. Bastnasite exhibits Vitreous, Greasy and Pearly luster. Tantalite, on other hand, exhibits Resinous luster.