Blue John

Jacobsite

Blue John Vs Jacobsite

Blue John

Jacobsite

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1 Astrology

1.1 Origin

Not Available

Southern and central Africa

1.2 Color

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

Black, Brownish, White, Brown

1.3 Streak

Not Available

Reddish, Black

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

3.00-3.254.76-5.03

1 7.18

2.5 Fracture

Not Available

Conchoidal, Brittle

2.6 Cleavage

Not Available

None

2.7 Mohs Hardness

Not Available5.5-6.5

2 10

2.8 Chemical Composition

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

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Not Available

3.2 Pleochroism

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

Translucent

3.5 Refractive Index

1.432-1.436Not Available

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Transparent

Translucent

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

Blue John Vs Jacobsite Fracture

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

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Blue John Vs Jacobsite Luster

A primary knowledge about Blue John vs Jacobsite 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.