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Blue John
Blue John

Marble
Marble



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Blue John
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Marble

Blue John Vs Marble

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Astrology

Origin

-
Southern and central Africa

Color

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

Streak

-
-

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

3.00-3.25-9999
1 7.18
👆🏻

Fracture

-
-

Cleavage

Perfect
None

Mohs Hardness

-9999-9999
2 10
👆🏻

Chemical Composition

CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
CaCO3

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.02-
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.432-1.436-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Excellent
Poor

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Clarity

Healing

Emotional healing
-

Qualities Associated

Mental Clarity
Purity

Blue John Vs Marble Fracture

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

Blue John Vs Marble Luster

A primary knowledge about Blue John vs Marble 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.