Rhodolite

Sillimanite

Rhodolite Vs Sillimanite

Rhodolite

Sillimanite

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1 Astrology

1.1 Origin

Brazil, Kenya, Madagascar, Mozambique, Sri Lanka

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

1.2 Color

Red

Blue, Green, Brownish, Greenish, Colorless, gray

1.3 Streak

Not Available

White

1.4 For which Rashi?

Taurus

Not Available

1.5 Planet

Mars

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

Projective

Not Available

1.9 Deities

Venus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love

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

Tough

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.843.20-3.26

1 7.18

2.5 Fracture

Conchoidal

Splintery

2.6 Cleavage

none, may show indistinct parting

{010} perfect

2.7 Mohs Hardness

7-7.56-7.5

2 10

2.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

3 Optical Properties

3.1 Luster

Greasy, Vitreous

Vitreous, Subadamantine, Silky

3.2 Pleochroism

None

Colourless to pale brown to yellow

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Gemmological Tables (2004)

Transparent, Translucent

3.5 Refractive Index

1.7601.653-1.685

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

cubic

Orthorhombic

3.8 Birefringence

0.010-0.0140.020-0.022

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

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

Rhodolite Vs Sillimanite Fracture

Fracture is an important parameter when you compare Rhodolite and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rhodolite 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 Rhodolite is Conchoidal. Sillimanite fracture is Splintery.

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Rhodolite Vs Sillimanite Luster

A primary knowledge about Rhodolite 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. Rhodolite exhibits Greasy and Vitreous luster. Sillimanite, on other hand, exhibits Silky, Subadamantine and Vitreous luster.