Chalcedony

Blue John

Chalcedony Vs Blue John

Chalcedony

Blue John

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Astrology

Origin

Zimbabwe

Color

Violet, White, gray, Blue, Brown, Black

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

Streak

White

For which Rashi?

Cancer, Sagittarius

Planet

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Goddess Whope

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Soluble

Durability

Specific Gravity

2.55-2.703.00-3.25

1 7.18

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Fracture

Uneven, Splintery, Conchoidal

Cleavage

Absent

Perfect

Mohs Hardness

6.5-7-9999

2 10

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Chemical Composition

SiO₂

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

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.010.02

0.005 1

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Transparency

Translucent, Translucent to opaque

Transparent

Refractive Index

1.530-1.5431.432-1.436

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.003-0.009-9999

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Harmony

Healing

Emotional healing

Qualities Associated

Harmony

Mental Clarity

Chalcedony Vs Blue John Fracture

Fracture is an important parameter when you compare Chalcedony and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Chalcedony 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. Fracture observed in Chalcedony is Uneven, Splintery and Conchoidal.

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Chalcedony Vs Blue John Luster

A primary knowledge about Chalcedony 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. Chalcedony exhibits Vitreous luster.