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Howlite
Howlite

Cordierite
Cordierite



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X
Howlite
X
Cordierite

Howlite Vs Cordierite

Astrology

Origin

Southern and central Africa
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Color

Blue, Colorless, White
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

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

2.45-2.582.57-2.66
1 7.18
👆🏻

Fracture

Conchoidal
Subconchoidal, Conchoidal

Cleavage

None
Fair on {100}, poor on {001} and {010}

Mohs Hardness

3-3.57-7.5
2 10
👆🏻

Chemical Composition

Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18

Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

-
X = pale yellow

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.583-1.608-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.019-9999
0 0.296
👆🏻

Clarity

-
-

Benefits

Physical

Neurological

Aids in mental clarity and focus
Supports healthy digestion

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Calming
Intuition

Healing

Emotional healing
Emotional healing

Qualities Associated

Calming
Psychic Abilities

Howlite Vs Cordierite Fracture

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

Howlite Vs Cordierite Luster

A primary knowledge about Howlite vs Cordierite 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. Cordierite, on other hand, exhibits Greasy and Vitreous luster.