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Spinel
Spinel

Piemontite
Piemontite



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Spinel
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Piemontite

Spinel Vs Piemontite

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Astrology

Origin

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Italy

Color

Blue, Violet, Colorless, Red, Green, Brown
Red, Reddish, Brown, Black, Yellow

Streak

White
Red

For which Rashi?

Sagittarius, Scorpio
-

Planet

Pluto
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Hephaestus
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.64-3.66-9999
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven, Splintery

Cleavage

None, but may exhibit slight parting
[001] good, [100] distinct

Mohs Hardness

86-6.5
2 10
👆🏻

Chemical Composition

MgAl2O4
Ca2Al3(SiO4)(Si2O7)O(OH)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Absent
visible

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
-

Refractive Index

1.731.725-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
monoclinic

Birefringence

-99990.025-0.076
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Revitalization
Spiritual growth

Healing

Emotional healing
Emotional healing

Qualities Associated

Vitality
Balance

Spinel Vs Piemontite Fracture

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

Spinel Vs Piemontite Luster

A primary knowledge about Spinel vs Piemontite 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. Spinel exhibits Vitreous luster. Piemontite, on other hand, exhibits Vitreous luster.