Andalusite

Prehnite

Facts about Andalusite and Prehnite

Andalusite

Prehnite

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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

Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France

1.2 Color

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

Green, Colorless, gray, Yellow, White

1.3 Streak

White

Colorless

1.4 For which Rashi?

All

Libra

1.5 Planet

Venus

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective, Receptive

Receptive

1.9 Deities

Not Available

Freya

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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.05-3.21

2.80-2.95

2.5 Fracture

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

Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

2.6 Cleavage

Good on {110}, poor on {100}

Distinct on [001]

2.7 Mohs Hardness

7.5

6-6.5

2.8 Chemical Composition

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

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Vitreous

3.2 Pleochroism

strongly trichroic

AbsentWalter Schumann

3.3 Dispersion

Albite Specific..

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▶

▼

0.02

Rank: 23 (Overall)▶

None

Rank: N/A (Overall)▶

▲

Fluorite Specifications

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▶

0.044 (Anglesite Spe..)

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3.4 Transparency

Transparent, Translucent

Translucent

3.5 Refractive Index

1.627-1.650

1.611-1.673

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

0.009-0.010

0.021-0.033

3.9 Clarity

Transparent

TranslucentHerve Nicolas Lazzarelli

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 Prehnite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Andalusite Vs Prehnite 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 Prehnite Astrology. Its highly necessary to have a basic knowledge of facts about Andalusite and Prehnite, 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.Prehnite, the unique gem is known to regulate the influence of Venus planet. Prehnite, which is classic Green, Colorless, gray, Yellow, White colored gem, possesses Receptive energy.

Compare Brown Gemstones

Andalusite Vs Baddeleyite

Andalusite Vs Augite

Andalusite Vs Baryte Barite

Brown Gemstones

Anglesite

Anhydrite

Anthophyllite

Astrophyllite

Augite

Baddeleyite