Andalusite

Bertrandite

Facts about Andalusite and Bertrandite

Andalusite

Bertrandite

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1 Astrology

1.1 Origin

Spain, Brazil, USA, Sri Lanka, Burma, Color: strongly pleochroic, reddish brown, pink / yellowish green, Hardness: 7 7.5, Refractive index: 1.63 1.65, Density: 3.13 3.21, Chemical composition: Al2SiO5, Crystal structure: orthorhombic, Lustre: vitreous, greasy, Origins: Spain, Brazil, USA, Sri Lanka, Burma. Discovered in Andalusia (Spain), the andalusite stone is relatively rare, with big crystals over 10 ct. especially rare. Due to its remarkable pleochroism effect, the stone is highly valued by collectors., brown

Not Available, Southern and central Africa

1.2 Color

Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Green, gray, Brown, Red

Colorless, Colorless, Yellow

1.3 Streak

White

1.4 For which Rashi?

All

Not Available

1.5 Planet

Venus

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, Receptive

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

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.05-3.21

2.59-2.60

2.5 Fracture

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

Brittle, Metallic, Brittle, Metallic

2.6 Cleavage

Good on {110}, poor on {100}

{001} Perfect, {110} Distinct, {101} Distinct

2.7 Mohs Hardness

7.5

6-7

2.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Vitreous

3.2 Pleochroism

strongly trichroic

none.

3.3 Dispersion

Albite Specific..

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0.02

Rank: 23 (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Fluorite Specifications

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0.044 (Anglesite Spe..)

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3.4 Transparency

Transparent, Translucent

TransparentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.627-1.650

1.583-1.614

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

3.8 Birefringence

0.009-0.010

Not Available

3.9 Clarity

Transparent

TransparentAnthony et al

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

Andalusite Vs Bertrandite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Andalusite Vs Bertrandite 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 Andalusite and Bertrandite Astrology. Its highly necessary to have a basic knowledge of facts about Andalusite and Bertrandite, before you finalize to buy one.

Andalusite is known to regulate the influence of Venus planet.Andalusite, that occurs commonly in Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Green, gray, Brown, Red color, possesses Projective and Receptive energy.Bertrandite, the unique gem is known to regulate the influence of Not Available planet.

Compare Brown Gemstones

Andalusite Vs Baddeleyite

Andalusite Vs Augite

Andalusite Vs Baryte Barite

Brown Gemstones

Anglesite

Anhydrite

Anthophyllite

Astrophyllite

Augite

Baddeleyite