Sillimanite

Erythrite

Sillimanite Vs Erythrite

Sillimanite

Erythrite

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1 Astrology

1.1 Origin

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

Czech, Mexico, Australia

1.2 Color

Blue, Green, Brownish, Greenish, Colorless, gray

Red, Colorless, Violet, Red, pink

1.3 Streak

White

Red

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

Tough

Sectile

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.20-3.263.06

1 7.18

2.5 Fracture

Splintery

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

2.6 Cleavage

{010} perfect

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

2.7 Mohs Hardness

6-7.5Not Available

2 10

2.8 Chemical Composition

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

Co3(AsO4)2•8(H2O)

3 Optical Properties

3.1 Luster

Vitreous, Subadamantine, Silky

Subadamantine, Pearly

3.2 Pleochroism

Colourless to pale brown to yellow

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

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

Not Available

3.5 Refractive Index

1.653-1.6851.626-1.629

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

monoclinic

3.8 Birefringence

0.020-0.022Not Available

0 0.296

3.9 Clarity

Transparent

Not Available

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

Sillimanite Vs Erythrite Fracture

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

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Sillimanite Vs Erythrite Luster

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