Franklinite

Howlite

Franklinite Vs Howlite

Franklinite

Howlite

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Astrology

Origin

USA

Southern and central Africa

Color

Brown, Red, Black, Brownish

Blue, Colorless, White

Streak

Reddish, 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

Solubility

Durability

Specific Gravity

5.05-5.222.45-2.58

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

None

Mohs Hardness

5.5-63-3.5

2 10

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Chemical Composition

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.190.01

0.005 1

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Transparency

Translucent

Refractive Index

-99991.583-1.608

1 3.25

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Optic Character

Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

monoclinic

Birefringence

-99990.019

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Calming

Healing

Emotional healing

Qualities Associated

Grounding

Calming

Franklinite Vs Howlite Fracture

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

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Franklinite Vs Howlite Luster

A primary knowledge about Franklinite 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.