Howlite

Onyx

Howlite Vs Onyx

Howlite

Onyx

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1 Astrology

1.1 Origin

Southern and central Africa

Not Available

1.2 Color

Blue, Colorless, White

White

1.3 Streak

White

Not Available

1.4 For which Rashi?

Gemini, Virgo, Gemini, Virgo, Gemini, Virgo

Capricorn

1.5 Planet

Moon

Saturn

1.6 Element of Planets

Earth

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

Quan Yin

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

2.45-2.582.55-2.70

1 7.18

2.5 Fracture

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

Not Available

2.6 Cleavage

None

Indiscernible

2.7 Mohs Hardness

3-3.56.5-7

2 10

2.8 Chemical Composition

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO₂

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

NilArthur Thomas

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Translucent, Opaque, Translucent to opaque

3.5 Refractive Index

1.583-1.6081.530-1.543

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Trigonal

3.8 Birefringence

0.019Not Available

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

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

Howlite Vs Onyx Fracture

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

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Howlite Vs Onyx Luster

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