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Afghanite
Afghanite

Prehnite
Prehnite



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Afghanite
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Prehnite

Afghanite Vs Prehnite

Astrology

Origin

Afghanistan, Italy
Australia, Southern and central Africa, France

Color

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

Streak

White
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

Solubility

-
-

Durability

-
-

Specific Gravity

2.55-2.652.80-2.95
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

Perfect {10 1 0}
Distinct on [001]

Mohs Hardness

5.5-66-6.5
2 10
👆🏻

Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Ca2Al2Si3O12(OH)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.5231.611-1.673
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.0060.021-0.033
0 0.296
👆🏻

Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

Supports heart health
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Harmony

Healing

Emotional healing
Physical healing

Qualities Associated

Communication
Harmony

Afghanite Vs Prehnite Fracture

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

Afghanite Vs Prehnite Luster

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