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Howlite
Howlite

Crocoite
Crocoite



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Howlite
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Crocoite

Howlite Vs Crocoite

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Astrology

Origin

Southern and central Africa
Australia, Southern and central Africa

Color

Blue, Colorless, White
Red, Yellow, orange

Streak

White
yellowish orange

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

2.45-2.585.90-6.10
1 7.18
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Fracture

Conchoidal
Conchoidal

Cleavage

None
{110} Distinct, {001} Indistinct, {100} Indistinct

Mohs Hardness

3-3.52.5-3
2 10
👆🏻

Chemical Composition

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

Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

-
Distinctly trichroic

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.583-1.6082.31-2.66
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

Birefringence

0.019-9999
0 0.296
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Clarity

-
Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus
-

Cardiovascular

-
Supports heart health

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Calming
Passion

Healing

Emotional healing
Physical healing

Qualities Associated

Calming
Passion

Howlite Vs Crocoite Fracture

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

Howlite Vs Crocoite Luster

A primary knowledge about Howlite vs Crocoite 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. Crocoite, on other hand, exhibits Adamantine luster.