Apatite

Blue John

Apatite Vs Blue John

Apatite

Blue John

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Astrology

Origin

Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, Burma, Origins: Mexico

Color

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

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

Streak

White

For which Rashi?

Gemini

Planet

Mercury

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Jupiter/Neptune

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.16-3.233.00-3.25

1 7.18

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Fracture

Conchoidal, Uneven, Conchoidal to uneven

Cleavage

[0001] indistinct, [1010] indistinct

Perfect

Mohs Hardness

5-9999

2 10

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Chemical Composition

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

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

Optical Properties

Luster

Vitreous

Pleochroism

Blue stones – strong

Dispersion

0.010.02

0.005 1

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Transparency

Transparent

Refractive Index

1.628-1.6511.432-1.436

1 3.25

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Optic Character

Crystal System

Hexagonal

Birefringence

0.002-0.008-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances communication and mental clarity

Enhances mental clarity and focus

Cardiovascular

Enhances intuition and psychic abilities

Supports heart health

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Supports digestive health

Psychology

Motivation

Harmony

Healing

Emotional healing

Qualities Associated

Manifestation

Mental Clarity

Apatite Vs Blue John Fracture

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

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Apatite Vs Blue John Luster

A primary knowledge about Apatite 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. Apatite exhibits Vitreous luster.