Erythrite

Sillimanite

Erythrite Vs Sillimanite

Erythrite

Sillimanite

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1 Astrology

1.1 Origin

Czech, Mexico, Australia

USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil

1.2 Color

Red, Colorless, Violet, Red, pink

Blue, Green, Brownish, Greenish, Colorless, gray

1.3 Streak

Red

White

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

Sectile

Tough

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.063.20-3.26

1 7.18

2.5 Fracture

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

Splintery

2.6 Cleavage

Perfect on {010}; poor on {100} and { 1 02}.

{010} perfect

2.7 Mohs Hardness

Not Available6-7.5

2 10

2.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Subadamantine, Pearly

Vitreous, Subadamantine, Silky

3.2 Pleochroism

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Colourless to pale brown to yellow

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Transparent, Translucent

3.5 Refractive Index

1.626-1.6291.653-1.685

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Orthorhombic

3.8 Birefringence

Not Available0.020-0.022

0 0.296

3.9 Clarity

Not Available

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

Erythrite Vs Sillimanite Fracture

Fracture is an important parameter when you compare Erythrite and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Erythrite Vs Sillimanite 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 Erythrite is (e.g. graphite). and Sectile Curved shavings or scrapings produced by a knife blade. Sillimanite fracture is Splintery.

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Erythrite Vs Sillimanite Luster

A primary knowledge about Erythrite vs Sillimanite 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. Erythrite exhibits Pearly and Subadamantine luster. Sillimanite, on other hand, exhibits Silky, Subadamantine and Vitreous luster.