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Smithsonite
Smithsonite

Howlite
Howlite



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Smithsonite
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Howlite

Smithsonite Vs Howlite

Astrology

Origin

USA, Southern and central Africa
Southern and central Africa

Color

Brown, Green, White, gray, Blue, Yellow
Blue, Colorless, White

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

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

4.00-4.652.45-2.58
1 7.18
👆🏻

Fracture

Uneven, Sub-Conchoidal
Conchoidal

Cleavage

Perfect on [1011]
None

Mohs Hardness

5-5.53-3.5
2 10
👆🏻

Chemical Composition

ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.620-1.8501.583-1.608
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.223-0.2270.019
0 0.296
👆🏻

Clarity

Translucent
-

Benefits

Physical

Neurological

-
Aids in mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Emotional Healing
Calming

Healing

Emotional healing
Emotional healing

Qualities Associated

Harmony
Calming

Smithsonite Vs Howlite Fracture

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

Smithsonite Vs Howlite Luster

A primary knowledge about Smithsonite vs Howlite 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. Smithsonite exhibits Vitreous and Pearly luster. Howlite, on other hand, exhibits Vitreous luster.