Blue John

Danburite

Blue John Vs Danburite

Blue John

Danburite

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Astrology

Origin

USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan

Color

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

Yellow, Brown, Colorless, White, gray, Brownish

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

Brittle

Solubility

Durability

Specific Gravity

3.00-3.252.97-3.03

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Perfect

{001} Poor

Mohs Hardness

-99997

2 10

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Chemical Composition

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

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Greasy

Pleochroism

Weak: pale yellow yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Refractive Index

1.432-1.4361.627-1.639

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

-99990.006

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

Good

Reproductive

Digestive

Psychology

Harmony

Spiritual Awareness

Healing

Emotional healing

Qualities Associated

Mental Clarity

Spiritual Awakening

Blue John Vs Danburite Fracture

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

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Blue John Vs Danburite Luster

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