Dumortierite

Rock Crystal

Dumortierite Vs Rock Crystal

Dumortierite

Rock Crystal

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Astrology

Origin

Southern and central Africa

Sri Lanka

Color

Blue, Violet, Brown, White, Greenish, pink

White, Colorless, Blue, Red, Green, Yellow, Violet

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

Solubility

Durability

Specific Gravity

3.26-3.412.65

1 7.18

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Fracture

Fibrous, ConchoidalWalter Schumann

ConchoidalWalter Schumann

Cleavage

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

None

Mohs Hardness

7-8.57

2 10

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Chemical Composition

AlAl₆O₃BSi₃O₁₈

SiO 2Walter Schumann , Gemstones of the world (2001)

Optical Properties

Luster

Vitreous

Pleochroism

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

Dispersion

0.010.01

0.005 1

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Transparency

Translucent, Translucent to opaque

TransparentWalter Schumann

Refractive Index

1.669-1.7231.544-1.553

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.011-0.0370.009

0 0.296

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Clarity

Translucent

TransparentWalter Schumann

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Patience

Clarity

Healing

Emotional healing

Physical healing

Qualities Associated

Patience

Clarity

Dumortierite Vs Rock Crystal Fracture

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

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Dumortierite Vs Rock Crystal Luster

A primary knowledge about Dumortierite vs Rock Crystal 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.