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Blue John
Blue John

Gypsum
Gypsum



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Blue John
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Gypsum

Blue John Vs Gypsum

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Astrology

Origin

-
Mexico

Color

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

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

-
Flexible

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.00-3.252.20-2.40
1 7.18
👆🏻

Fracture

-
Conchoidal, Splintery, Fibrous

Cleavage

Perfect
Perfect on {010}, distinct on {100}

Mohs Hardness

-99992
2 10
👆🏻

Chemical Composition

CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

-
Vitreous, Silky, Pearly, Waxy

Pleochroism

-
None

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.432-1.4361.521-1.531
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.010
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
Harmony

Healing

Emotional healing
Emotional healing

Qualities Associated

Mental Clarity
Harmony

Blue John Vs Gypsum Fracture

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

Blue John Vs Gypsum Luster

A primary knowledge about Blue John vs Gypsum 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. Gypsum, on other hand, exhibits Vitreous, Silky, Pearly and Waxy luster.