Sphalerite

Petalite

Sphalerite Vs Petalite

Sphalerite

Petalite

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Astrology

Origin

Mexico, USA, Spain

Canada, USA, Brazil, Italy, Mozambique, Zimbabwe, Russia, Burma, Australia

Color

Green, Brown, Yellow, Red, Black

Colorless, gray, Yellow, White

Streak

Brownish, White

Colorless

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.95-4.102.40

1 7.18

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Fracture

Uneven

Subconchoidal, ConchoidalWalter Schumann, Conchoidal

Cleavage

{110} Perfect, {110} Perfect, {110} Perfect

Perfect on {001}, poor on {201} with 38.5° angle between the two

Mohs Hardness

3.5-46-6.5

2 10

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Chemical Composition

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Adamantine

Vitreous, Pearly

Pleochroism

Dispersion

0.160.01

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

2.368-2.3711.502-1.523

1 3.25

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Optic Character

Crystal System

Isometric

monoclinic

Birefringence

-99990.012-0.016

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Calmness

Healing

Physical healing

Emotional healing

Qualities Associated

Peace

Sphalerite Vs Petalite Fracture

Fracture is an important parameter when you compare Sphalerite and Petalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sphalerite Vs Petalite 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 Sphalerite is Uneven. Petalite fracture is Subconchoidal, ConchoidalWalter Schumann and Conchoidal.

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Sphalerite Vs Petalite Luster

A primary knowledge about Sphalerite vs Petalite 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. Sphalerite exhibits Adamantine luster. Petalite, on other hand, exhibits Vitreous and Pearly luster.