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Boulder Opal
Boulder Opal

Afghanite
Afghanite



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Boulder Opal
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Afghanite

Boulder Opal Vs Afghanite

Astrology

Origin

Australia
Afghanistan, Italy

Color

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

Streak

-
White

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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.252.55-2.65
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

None
Perfect {10 1 0}

Mohs Hardness

5-6.55.5-6
2 10
👆🏻

Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.370-1.4701.523
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.006
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

Supports heart health
Supports heart health

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Creativity
Harmony

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Communication

Boulder Opal Vs Afghanite Fracture

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

Boulder Opal Vs Afghanite Luster

A primary knowledge about Boulder Opal vs Afghanite 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, on other hand, exhibits Vitreous luster.