Dumortierite

Scheelite

Dumortierite Vs Scheelite

Dumortierite

Scheelite

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Astrology

Origin

Southern and central Africa

Switzerland, Australia, Brazil

Color

Blue, Violet, Brown, White, Greenish, pink

Yellow, Colorless, White, Brownish, Reddish

Streak

White

For which Rashi?

Leo, Sagittarius

Planet

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Isis

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.26-3.415.9-6.3

1 7.18

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Fracture

Fibrous, ConchoidalWalter Schumann

Conchoidal, Uneven

Cleavage

Distinct on {100}, poor on {110}; parting on {001}

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

Mohs Hardness

7-8.54.5-5

2 10

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Chemical Composition

AlAl₆O₃BSi₃O₁₈

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Vitreous, Adamantine

Pleochroism

Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue

Definite dichoric in yellow (yellow to orange-brown)

Dispersion

0.010.04

0.005 1

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Transparency

Translucent, Translucent to opaque

Translucent, Transparent

Refractive Index

1.669-1.7231.918-1.936

1 3.25

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Optic Character

Crystal System

Orthorhombic

tetragonal

Birefringence

0.011-0.0370.016

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Patience

Awareness

Healing

Emotional healing

Physical healing

Qualities Associated

Patience

Balance & Clarity

Dumortierite Vs Scheelite Fracture

Fracture is an important parameter when you compare Dumortierite and Scheelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Dumortierite Vs Scheelite 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 Dumortierite is Fibrous and ConchoidalWalter Schumann. Scheelite fracture is Conchoidal and Uneven.

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Dumortierite Vs Scheelite Luster

A primary knowledge about Dumortierite vs Scheelite 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. Dumortierite exhibits Vitreous luster. Scheelite, on other hand, exhibits Vitreous and Adamantine luster.