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Mottramite
Mottramite

Prehnite
Prehnite



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Mottramite
X
Prehnite

Mottramite Vs Prehnite

Astrology

Origin

-
Australia, Southern and central Africa, France

Color

Brown, Green, Yellow
Green, Colorless, gray, Yellow, White

Streak

Green, Brownish
Colorless

For which Rashi?

-
Libra

Planet

-
Venus

Element of Planets

-
Earth

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Freya

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.92.80-2.95
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Uneven

Cleavage

None observed
Distinct on [001]

Mohs Hardness

36-6.5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
Ca2Al2Si3O12(OH)

Optical Properties

Luster

Greasy
Vitreous

Pleochroism

Visible X=Y= canary yellow to greenish yellow
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

2.1701.611-1.673
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.1500.021-0.033
0 0.296
👆🏻

Clarity

-
TranslucentHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Confidence
Harmony

Healing

Emotional healing
Physical healing

Qualities Associated

Transformation
Harmony

Mottramite Vs Prehnite Fracture

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

Mottramite Vs Prehnite Luster

A primary knowledge about Mottramite vs Prehnite 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. Prehnite, on other hand, exhibits Vitreous luster.