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Colemanite
Colemanite

Blue John
Blue John



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Colemanite
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Blue John

Colemanite Vs Blue John

Astrology

Origin

Southern and central Africa
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Color

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

Streak

White
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For which Rashi?

-
-

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
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Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.40-2.423.00-3.25
1 7.18
👆🏻

Fracture

-
-

Cleavage

{010} Perfect, {001} Distinct
Perfect

Mohs Hardness

4.5-9999
2 10
👆🏻

Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous
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Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.584-1.6151.432-1.436
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
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Birefringence

0.028-0.030-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

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Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Good
Excellent

Reproductive

-
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Digestive

-
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Psychology

Imagination
Harmony

Healing

Emotional healing
Emotional healing

Qualities Associated

Harmony
Mental Clarity

Colemanite Vs Blue John Fracture

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

Colemanite Vs Blue John Luster

A primary knowledge about Colemanite vs Blue John 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. Colemanite exhibits Vitreous luster.