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Chromite
Chromite

Howlite
Howlite



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Chromite
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Howlite

Chromite Vs Howlite

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Astrology

Origin

Southern and central Africa
Southern and central Africa

Color

Black, Brownish, Brown
Blue, Colorless, White

Streak

Brown
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

4.5-4.82.45-2.58
1 7.18
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Fracture

Uneven
Conchoidal

Cleavage

None, parting may develop along {111}
None

Mohs Hardness

5.53-3.5
2 10
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Chemical Composition

Fe++Cr2O4
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

-
Vitreous

Pleochroism

none.
-

Dispersion

0.040.01
0.005 1
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Transparency

-
-

Refractive Index

2.08-2.161.583-1.608
1 3.25
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Optic Character

-
-

Crystal System

Isometric
monoclinic

Birefringence

-99990.019
0 0.296
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Clarity

-
-

Benefits

Physical

Neurological

-
Aids in mental clarity and focus

Cardiovascular

-
-

Respiratory

Poor
Good

Reproductive

-
-

Digestive

-
-

Psychology

Vitality
Calming

Healing

Emotional healing
Emotional healing

Qualities Associated

Protection
Calming

Chromite Vs Howlite Fracture

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

Chromite Vs Howlite Luster

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