Purpurite

Blue John

Purpurite Vs Blue John

Purpurite

Blue John

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1 Astrology

1.1 Origin

Southern and central Africa

Not Available

1.2 Color

Violet, Brownish, Black, pink, Red, Reddish

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

1.3 Streak

Red

Not Available

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.2-3.43.00-3.25

1 7.18

2.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Not Available

2.6 Cleavage

[100] [001] perfect

Not Available

2.7 Mohs Hardness

4-4.5Not Available

2 10

2.8 Chemical Composition

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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

3 Optical Properties

3.1 Luster

Not Available

3.2 Pleochroism

StrongArthur Thomas

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001) More from other references

Transparent

3.5 Refractive Index

1.85-1.921.432-1.436

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Not Available

3.8 Birefringence

0.070Not Available

0 0.296

3.9 Clarity

TranslucentWalter Schumann

Transparent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Purpurite Vs Blue John Fracture

Fracture is an important parameter when you compare Purpurite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Purpurite 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 Purpurite is Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas.

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Purpurite Vs Blue John Luster

A primary knowledge about Purpurite 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.