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Rock Crystal
Rock Crystal

Mottramite
Mottramite



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X
Rock Crystal
X
Mottramite

Rock Crystal Vs Mottramite

Astrology

Origin

Sri Lanka
-

Color

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

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

2.655.9
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
Sub-Conchoidal

Cleavage

None
None observed

Mohs Hardness

73
2 10
👆🏻

Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)
PbCu(VO4)(OH)

Optical Properties

Luster

-
Greasy

Pleochroism

-
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

TransparentWalter Schumann
-

Refractive Index

1.544-1.5532.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0090.150
0 0.296
👆🏻

Clarity

TransparentWalter Schumann
-

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Clarity
Confidence

Healing

Physical healing
Emotional healing

Qualities Associated

Clarity
Transformation

Rock Crystal Vs Mottramite Fracture

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

Rock Crystal Vs Mottramite Luster

A primary knowledge about Rock Crystal 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. Mottramite, on other hand, exhibits Greasy luster.