Onyx

Apatite

Onyx Vs Apatite

Onyx

Apatite

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1 Astrology

1.1 Origin

Not Available

Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, Burma, Color: green, greenish yellow, blue, violet, Hardness: 5, Refractive index: 1.60 1.67, Density: 3.17 3.35, Chemical composition: Phosphate composition, Crystal structure: hexagonal, Lustre: vitreous, Origins: Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, brown, green, Yellow, violet, brown, green, Yellow, violet

1.2 Color

White

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

1.3 Streak

Not Available

White

1.4 For which Rashi?

Capricorn

Gemini

1.5 Planet

Saturn

Mercury

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

1.9 Deities

Mars

Jupiter/Neptune

1.10 Not to wear with

Not Available

1.11 Powers

Protection

Healing

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

2.3 Durability

Not Available

2.4 Specific Gravity

2.55-2.703.16-3.23

1 7.18

2.5 Fracture

Not Available

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

2.6 Cleavage

Indiscernible

[0001] indistinct, [1010] indistinct

2.7 Mohs Hardness

6.5-75

2 10

2.8 Chemical Composition

SiO₂

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

Blue stones – strong

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

Translucent, Opaque, Translucent to opaque

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.530-1.5431.628-1.651

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Hexagonal

3.8 Birefringence

Not Available0.002-0.008

0 0.296

3.9 Clarity

OpaqueHerve Nicolas Lazzarelli

TransparentUlrich Henn and Claudio C. Milisenda

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 Apatite Fracture

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

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Onyx Vs Apatite Luster

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