Blue John

Tanzanite

Blue John Vs Tanzanite

Blue John

Tanzanite

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Astrology

Origin

Tanzania

Color

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

Blue

Streak

White, Colorless

For which Rashi?

Sagittarius, Pisces, Virgo

Planet

Element of Planets

Air, Water, Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love, Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Hard

Specific Gravity

3.00-3.253.35

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

Perfect

Perfect {010}, imperfect {100}

Mohs Hardness

-99996.5-7

2 10

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Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Optical Properties

Luster

Vitreous

Pleochroism

Present

Dispersion

0.020.03

0.005 1

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Transparency

Transparent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.432-1.4361.685-1.707

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

-99990.006-0.018

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Psychology

Harmony

Intuition

Healing

Emotional healing

Qualities Associated

Mental Clarity

Communication

Blue John Vs Tanzanite Fracture

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

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Blue John Vs Tanzanite Luster

A primary knowledge about Blue John vs Tanzanite 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. Tanzanite, on other hand, exhibits Vitreous luster.