Blue John

Smithsonite

Blue John Vs Smithsonite

Blue John

Smithsonite

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Astrology

Origin

USA, Southern and central Africa

Color

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

Brown, Green, White, gray, Blue, Yellow

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

Brittle

Solubility

Durability

Specific Gravity

3.00-3.254.00-4.65

1 7.18

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Fracture

Uneven, Sub-Conchoidal

Cleavage

Perfect

Perfect on [1011]

Mohs Hardness

-99995-5.5

2 10

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Chemical Composition

CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Dispersion

0.020.01

0.005 1

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Transparency

Transparent

Translucent

Refractive Index

1.432-1.4361.620-1.850

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

-99990.223-0.227

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Harmony

Emotional Healing

Healing

Emotional healing

Qualities Associated

Mental Clarity

Harmony

Blue John Vs Smithsonite Fracture

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

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Blue John Vs Smithsonite Luster

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