Sard

Onyx

Sard Vs Onyx

Sard

Onyx

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1 Astrology

1.1 Origin

Southern and central Africa

Not Available

1.2 Color

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

White

1.3 Streak

Not Available

1.4 For which Rashi?

Not Available

Capricorn

1.5 Planet

Not Available

Saturn

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

Projective

1.9 Deities

Not Available

Mars

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Protection

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

Capricorn

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.58-2.632.55-2.70

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Not Available

2.6 Cleavage

Not Available

Indiscernible

2.7 Mohs Hardness

6.5-76.5-7

2 10

2.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

SiO₂

3 Optical Properties

3.1 Luster

Waxy

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent

Translucent, Opaque, Translucent to opaque

3.5 Refractive Index

1.535-1.5391.530-1.543

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Trigonal

3.8 Birefringence

0.008-0.010Not Available

0 0.296

3.9 Clarity

Translucent

OpaqueHerve Nicolas Lazzarelli

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

Sard Vs Onyx Fracture

Fracture is an important parameter when you compare Sard and Onyx Physical Properties. It is necessary to understand the significance of these properties, before you compare Sard Vs Onyx 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 Sard is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).

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Sard Vs Onyx Luster

A primary knowledge about Sard vs Onyx 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. Sard exhibits Waxy luster. Onyx, on other hand, exhibits Vitreous luster.