Blue John

Staurolite

Blue John Vs Staurolite

Blue John

Staurolite

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Astrology

Origin

Switzerland

Color

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

Brown, Brownish, Yellow, Black, Reddish

Streak

White, gray

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

3.00-3.253.7-3.8

1 7.18

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Fracture

Subconchoidal, Conchoidal

Cleavage

Perfect

Distinct on {010}

Mohs Hardness

-99997-7.5

2 10

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Chemical Composition

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

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Resinous

Pleochroism

X = colorless; Y = pale yellow; Z = golden yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Refractive Index

1.432-1.4361.736-1.762

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.009-0.015

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Harmony

Protection

Healing

Emotional healing

Physical healing

Qualities Associated

Mental Clarity

Protection

Blue John Vs Staurolite Fracture

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

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Blue John Vs Staurolite Luster

A primary knowledge about Blue John vs Staurolite 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. Staurolite, on other hand, exhibits Resinous luster.