Sillimanite

Chrysocolla

Sillimanite Vs Chrysocolla

Sillimanite

Chrysocolla

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1 Astrology

1.1 Origin

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

Southern and central Africa, Sixth Edition (2006)

1.2 Color

Blue, Green, Brownish, Greenish, Colorless, gray

Blue, Green, Blue, Brown

1.3 Streak

White

White, Blue, Green

1.4 For which Rashi?

Not Available

Taurus

1.5 Planet

Not Available

Venus

1.6 Element of Planets

Not Available

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Venus

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Love

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Tough

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.20-3.262.00-2.45

1 7.18

2.5 Fracture

Splintery

Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

2.6 Cleavage

{010} perfect

none

2.7 Mohs Hardness

6-7.52-4

2 10

2.8 Chemical Composition

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

Cu₂H₂Si₂O₅(OH)₄

3 Optical Properties

3.1 Luster

Vitreous, Subadamantine, Silky

Vitreous, Greasy

3.2 Pleochroism

Colourless to pale brown to yellow

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Transparent, Translucent

Opaque

3.5 Refractive Index

1.653-1.6851.460-1.570

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

monoclinic

3.8 Birefringence

0.020-0.0220.023-0.050

0 0.296

3.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

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 Chrysocolla Fracture

Fracture is an important parameter when you compare Sillimanite and Chrysocolla Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite Vs Chrysocolla 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. Chrysocolla fracture is Brittle, ConchoidalArthur Thomas, Gemstones (2009) and Sub-Conchoidal.

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Sillimanite Vs Chrysocolla Luster

A primary knowledge about Sillimanite vs Chrysocolla 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. Chrysocolla, on other hand, exhibits Greasy and Vitreous luster.