Williamsite

Dumortierite

Williamsite Vs Dumortierite

Williamsite

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

Green

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

1.3 Streak

Not Available

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

2.51-2.633.26-3.41

1 7.18

2.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

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

2.6 Cleavage

Not Available

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

2.7 Mohs Hardness

47-8.5

2 10

2.8 Chemical Composition

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

AlAl₆O₃BSi₃O₁₈

3 Optical Properties

3.1 Luster

Waxy, Silky, Resinous, Greasy

Vitreous

3.2 Pleochroism

Not Available

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

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

Translucent, Translucent to opaque

3.5 Refractive Index

1.530-1.5751.669-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

Not Available0.011-0.037

0 0.296

3.9 Clarity

TranslucentHerve Nicolas Lazzarelli

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

Williamsite Vs Dumortierite Fracture

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

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Williamsite Vs Dumortierite Luster

A primary knowledge about Williamsite 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. Williamsite exhibits Greasy, Resinous, Silky and Waxy luster. Dumortierite, on other hand, exhibits Vitreous luster.