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Spinel
Spinel

Mottramite
Mottramite



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Spinel
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Mottramite

Spinel Vs Mottramite

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Astrology

Origin

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

Color

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

Streak

White
Green, Brownish

For which Rashi?

Sagittarius, Scorpio
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Planet

Pluto
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Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Hephaestus
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Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.64-3.665.9
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Sub-Conchoidal

Cleavage

None, but may exhibit slight parting
None observed

Mohs Hardness

83
2 10
👆🏻

Chemical Composition

MgAl2O4
PbCu(VO4)(OH)

Optical Properties

Luster

Vitreous
Greasy

Pleochroism

Absent
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
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Refractive Index

1.732.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Orthorhombic

Birefringence

-99990.150
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
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Psychology

Revitalization
Confidence

Healing

Emotional healing
Emotional healing

Qualities Associated

Vitality
Transformation

Spinel Vs Mottramite Fracture

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

Spinel Vs Mottramite Luster

A primary knowledge about Spinel vs Mottramite 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. Mottramite, on other hand, exhibits Greasy luster.