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Mottramite
Mottramite

Fire Opal
Fire Opal



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Mottramite
X
Fire Opal

Mottramite Vs Fire Opal

Astrology

Origin

-
USA

Color

Brown, Green, Yellow
Red

Streak

Green, Brownish
-

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

Soluble
-

Durability

-
-

Specific Gravity

5.91.97-2.22
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Conchoidal

Cleavage

None observed
None

Mohs Hardness

36-6.5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

Greasy
-

Pleochroism

Visible X=Y= canary yellow to greenish yellow
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

2.1701.370-1.470
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.150-9999
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Confidence
Passion

Healing

Emotional healing
Emotional healing

Qualities Associated

Transformation
Passion

Mottramite Vs Fire Opal Fracture

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

Mottramite Vs Fire Opal Luster

A primary knowledge about Mottramite vs Fire Opal 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. Mottramite exhibits Greasy luster.