Williamsite

Sellaite

Williamsite Vs Sellaite

Williamsite

Sellaite

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1 Astrology

1.1 Origin

Southern and central Africa

Brazil

1.2 Color

Green

Colorless, White

1.3 Streak

Not Available

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.51-2.633.14-3.16

1 7.18

2.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

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

2.6 Cleavage

Not Available

Perfect on {010} and {110}

2.7 Mohs Hardness

45-5.5

2 10

2.8 Chemical Composition

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

MgF 2Ulrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Waxy, Silky, Resinous, Greasy

Vitreous

3.2 Pleochroism

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

Transparent

3.5 Refractive Index

1.530-1.5751.378-1.390

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

tetragonal

3.8 Birefringence

Not Available0.012

0 0.296

3.9 Clarity

TranslucentHerve Nicolas Lazzarelli

Transparent

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 Sellaite Fracture

Fracture is an important parameter when you compare Williamsite and Sellaite Physical Properties. It is necessary to understand the significance of these properties, before you compare Williamsite Vs Sellaite 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). Sellaite fracture is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).

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Williamsite Vs Sellaite Luster

A primary knowledge about Williamsite vs Sellaite 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. Sellaite, on other hand, exhibits Vitreous luster.