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Howlite
Howlite

Willemite
Willemite



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Howlite
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Willemite

Howlite Vs Willemite

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Astrology

Origin

Southern and central Africa
Canada

Color

Blue, Colorless, White
Yellow, Brown, Red, White, Green, Reddish, Black

Streak

White
White

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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.45-2.583.89-4.18
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

None
{0001}, {11 2 0} imperfect

Mohs Hardness

3-3.55.5
2 10
👆🏻

Chemical Composition

Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

-
-

Dispersion

0.010.17
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.583-1.6081.687-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.0190.028-0.030
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
Poor

Reproductive

-
-

Digestive

-
-

Psychology

Calming
Optimism

Healing

Emotional healing
-

Qualities Associated

Calming
Transformation

Howlite Vs Willemite Fracture

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

Howlite Vs Willemite Luster

A primary knowledge about Howlite vs Willemite 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. Willemite, on other hand, exhibits Vitreous and Resinous luster.