Blue John

Amblygonite

Blue John Vs Amblygonite

Blue John

Amblygonite

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Astrology

Origin

Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.

Color

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

Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish

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

Solubility

Durability

Specific Gravity

3.00-3.252.98-3.10

1 7.18

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Fracture

Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal

Cleavage

Perfect

[100] Perfect, [110] Good, [011] Distinct

Mohs Hardness

-99996

2 10

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Chemical Composition

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

(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

weak to none

Dispersion

0.020.01

0.005 1

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Transparency

Transparent

Refractive Index

1.432-1.4361.578-1.646

1 3.25

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Optic Character

Biaxial/+

Crystal System

Triclinic

Birefringence

-99990.020-0.030

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

Supports reproductive health

Digestive

Psychology

Harmony

Peace

Healing

Emotional healing

Qualities Associated

Mental Clarity

Peace

Blue John Vs Amblygonite Fracture

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

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Blue John Vs Amblygonite Luster

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