Sardonyx

Covellite

Sardonyx Vs Covellite

Sardonyx

Covellite

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1 Astrology

1.1 Origin

Southern and central Africa

Mexico

1.2 Color

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

Blue, Blue, Black

1.3 Streak

Not Available

Grey, Black, gray

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

Flexible

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.55-2.704.6-4.76

1 7.18

2.5 Fracture

Not Available

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

2.6 Cleavage

Not Available

Perfect on {0001}

2.7 Mohs Hardness

6.5-7Not Available

2 10

2.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

3 Optical Properties

3.1 Luster

Not Available

Resinous

3.2 Pleochroism

Not Available

Marked

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references

3.5 Refractive Index

1.530-1.5431.45-2.62

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Hexagonal

3.8 Birefringence

0.008-0.010Not Available

0 0.296

3.9 Clarity

Translucent

OpaqueAnthony et al

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

Sardonyx Vs Covellite Fracture

Fracture is an important parameter when you compare Sardonyx and Covellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sardonyx Vs Covellite 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. Covellite fracture is Brittle, Gemstones (2009), Gemstones (2009), Metallic and UnevenArthur Thomas.

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Sardonyx Vs Covellite Luster

A primary knowledge about Sardonyx vs Covellite 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. Covellite, on other hand, exhibits Resinous luster.