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Blue John
Blue John

Caledonite
Caledonite



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Blue John
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Caledonite

Blue John Vs Caledonite

Astrology

Origin

-
USA

Color

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

Streak

-
Blue, Greenish, 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

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.00-3.255.6-5.76
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

Perfect
[001] perfect; [100] distinct

Mohs Hardness

-99992.5-3
2 10
👆🏻

Chemical Composition

CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Weak

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.432-1.4361.818-1.909
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.091
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Excellent
Good

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Creativity

Healing

Emotional healing
-

Qualities Associated

Mental Clarity
-

Blue John Vs Caledonite Fracture

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

Blue John Vs Caledonite Luster

A primary knowledge about Blue John vs Caledonite 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. Caledonite, on other hand, exhibits Vitreous luster.