Onyx

Ettringite

Onyx Vs Ettringite

Onyx

Ettringite

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1 Astrology

1.1 Origin

Not Available

Southern and central Africa

1.2 Color

White

Colorless, Yellow, White, Colorless, White

1.3 Streak

Not Available

White

1.4 For which Rashi?

Capricorn

Not Available

1.5 Planet

Saturn

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

Projective

Not Available

1.9 Deities

Mars

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Capricorn

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

Partially soluble in water

2.3 Durability

Not Available

2.4 Specific Gravity

2.55-2.701.77

1 7.18

2.5 Fracture

Not Available

2.6 Cleavage

Indiscernible

Perfect on {10 1 0}

2.7 Mohs Hardness

6.5-72-2.5

2 10

2.8 Chemical Composition

SiO₂

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent, Opaque, Translucent to opaque

Transparent, Translucent

3.5 Refractive Index

1.530-1.5431.470-1.491

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

3.8 Birefringence

Not Available0.021

0 0.296

3.9 Clarity

OpaqueHerve 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

Onyx Vs Ettringite Fracture

Fracture is an important parameter when you compare Onyx and Ettringite Physical Properties. It is necessary to understand the significance of these properties, before you compare Onyx Vs Ettringite 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.

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Onyx Vs Ettringite Luster

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