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Prehnite
Prehnite

Shattuckite
Shattuckite



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X
Prehnite
X
Shattuckite

Prehnite Vs Shattuckite

Astrology

Origin

Australia, Southern and central Africa, France
-

Color

Green, Colorless, gray, Yellow, White
Blue, Green

Streak

Colorless
Blue

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
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.80-2.953.80-4.15
1 7.18
👆🏻

Fracture

Uneven
Uneven

Cleavage

Distinct on [001]
perfect along [010] and [100]

Mohs Hardness

6-6.53.5-4
2 10
👆🏻

Chemical Composition

Ca2Al2Si3O12(OH)
Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous
Silky

Pleochroism

-
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.611-1.6731.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.021-0.0330.063
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Communication

Healing

Physical healing
Emotional healing

Qualities Associated

Harmony
Communication

Prehnite Vs Shattuckite Fracture

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

Prehnite Vs Shattuckite Luster

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