Howlite

Dioptase

Howlite Vs Dioptase

Howlite

Dioptase

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Astrology

Origin

Southern and central Africa

Kazakhstan

Color

Blue, Colorless, White

Green, Blue

Streak

White

Green

For which Rashi?

Gemini, Virgo

Planet

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Quan Yin

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.45-2.583.25-3.35

1 7.18

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Fracture

Conchoidal

Conchoidal, ConchoidalWalter Schumann

Cleavage

None

Perfect in three directions

Mohs Hardness

3-3.55

2 10

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Chemical Composition

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

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Pleochroism

Weak; dark emerald green

Dispersion

0.010.04

0.005 1

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Transparency

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.583-1.6081.644-1.720

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.0190.051-0.053

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Calming

Emotional Healing

Healing

Emotional healing

Qualities Associated

Calming

Emotional Healing

Howlite Vs Dioptase Fracture

Fracture is an important parameter when you compare Howlite and Dioptase Physical Properties. It is necessary to understand the significance of these properties, before you compare Howlite Vs Dioptase 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 Conchoidal. Dioptase fracture is Conchoidal and ConchoidalWalter Schumann.

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Howlite Vs Dioptase Luster

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