Sillimanite

Benitoite

Facts about Sillimanite and Benitoite

Sillimanite

Benitoite

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1 Astrology

1.1 Origin

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

USA, Color: blue or violetish blue, colorless, Hardness: 6 6.5, Refractive index: 1.76 1.80, Density: 3.60 3.68, Chemical composition: BaTiSi3O9, Crystal structure: hexagonal, Lustre: vitreous, Origins: San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California, USA, with specimens over 2 ct. being extremely rare.

1.2 Color

Blue, Green, Brownish, Greenish, Colorless, gray

Violet, Blue, Colorless, Blue, pink, White, Colorless

1.3 Streak

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

Tough

Not Available

2.2 Solubility

Not Available

Insoluble: HCl

2.3 Durability

Not Available

2.4 Specific Gravity

3.20-3.263.61-3.68

1 7.18

2.5 Fracture

Splintery

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

2.6 Cleavage

{010} perfect

[10 1 1] poor

2.7 Mohs Hardness

6-7.56-6.5

2 10

2.8 Chemical Composition

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

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous, Subadamantine, Silky

Vitreous

3.2 Pleochroism

Colourless to pale brown to yellow

O = colorless; E = purple

3.3 Dispersion

NA0.04

0.007 1

3.4 Transparency

Transparent, Translucent

Transparent

3.5 Refractive Index

1.653-1.6851.757-1.804

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Hexagonal

3.8 Birefringence

0.020-0.0220.047

0 0.296

3.9 Clarity

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

Sillimanite Vs Benitoite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Sillimanite Vs Benitoite specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Sillimanite and Benitoite Astrology. Its highly necessary to have a basic knowledge of facts about Sillimanite and Benitoite, before you finalize to buy one.

Sillimanite is known to regulate the influence of Not Available planet. Benitoite, the unique gem is known to regulate the influence of Not Available planet.