Caledonite

Dumortierite

Caledonite Vs Dumortierite

Caledonite

Dumortierite

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Astrology

Origin

USA

Southern and central Africa

Color

Blue, Green

Blue, Violet, Brown, White, Greenish, pink

Streak

Blue, Greenish, White

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

5.6-5.763.26-3.41

1 7.18

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Fracture

Uneven

Fibrous, ConchoidalWalter Schumann

Cleavage

[001] perfect; [100] distinct

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

Mohs Hardness

2.5-37-8.5

2 10

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Chemical Composition

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

AlAl₆O₃BSi₃O₁₈

Optical Properties

Luster

Vitreous

Pleochroism

Weak

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

Dispersion

0.050.01

0.005 1

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Transparency

Transparent

Translucent, Translucent to opaque

Refractive Index

1.818-1.9091.669-1.723

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.0910.011-0.037

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Patience

Healing

Emotional healing

Qualities Associated

Patience

Caledonite Vs Dumortierite Fracture

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

Compare Blue Gemstones

Caledonite Vs Cordierite Iolite

Caledonite Vs Covellite

Caledonite Vs Cyprine of Berzelius

Caledonite Vs Dumortierite Luster

A primary knowledge about Caledonite vs Dumortierite 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. Caledonite exhibits Vitreous luster. Dumortierite, on other hand, exhibits Vitreous luster.