Mellite

Dumortierite

Mellite Vs Dumortierite

Mellite

Dumortierite

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1 Astrology

1.1 Origin

Southern and central Africa

Southern and central Africa, violet, blue, violet, blue

1.2 Color

Brown, Brownish, White, Colorless, Yellow

Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink

1.3 Streak

White

1.4 For which Rashi?

Not Available

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

1.5 Planet

Not Available

Saturn

1.6 Element of Planets

Not Available

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Isis

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

1.58-1.603.26-3.41

1 7.18

2.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

2.6 Cleavage

{011} Imperfect

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

2.7 Mohs Hardness

27-8.5

2 10

2.8 Chemical Composition

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

AlAl₆O₃BSi₃O₁₈

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Weak: yellowish brown yellowAnthony et al

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

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Translucent, Translucent to opaque

3.5 Refractive Index

1.509-1.5411.669-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

0.0300.011-0.037

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Mellite Vs Dumortierite Fracture

Fracture is an important parameter when you compare Mellite and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Mellite 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 Mellite is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001). Dumortierite fracture is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references.

Compare Brown Gemstones

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Mellite Vs Morion

Mellite Vs Narsarsukite

Mellite Vs Dumortierite Luster

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