Andalusite

Papagoite

Andalusite Vs Papagoite

Andalusite

Papagoite

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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

Southern and central Africa

1.2 Color

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

Blue

1.3 Streak

White

Blue

1.4 For which Rashi?

All

Not Available

1.5 Planet

Venus

Not Available

1.7 Element of Planets

Not Available

1.8 Energy

Projective, Receptive

Not Available

1.10 How to Wear?

1.11.1 Finger

Not Available

1.11.2 Ring Metal

Not Available

1.12 Deities

Not Available

1.13 Not to wear with

Not Available

1.14 Powers

Not Available

1.15 Birthstone

1.15.1 Planetary

Not Available

1.15.2 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

3.05-3.213.25

1 7.18

5.4 Fracture

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

Brittle, Metallic

5.5 Cleavage

Good on {110}, poor on {100}

Imperfect in one direction

5.6 Mohs Hardness

7.55-5.5

2 10

5.11 Chemical Composition

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

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

6 Optical Properties

6.1 Luster

Vitreous, Greasy

Vitreous

6.2 Pleochroism

strongly trichroic

Trichroic

6.3 Dispersion

0.02NA

0.007 1

7.2 Transparency

Transparent, Translucent

Transparent

7.3 Refractive Index

1.627-1.6501.607-1.672

1 3.25

9.2 Optic Character

Not Available

9.5 Crystal System

Orthorhombic

monoclinic

9.7 Birefringence

0.009-0.0100.065

0 0.296

9.8 Clarity

Transparent

10 Benefits

10.1 Physical

10.1.1 Neurological

Not Available

10.1.2 Cardiovascular

Not Available

10.1.3 Respiratory

Not Available

10.1.4 Reproductive

Not Available

10.1.5 Digestive

Not Available

10.2 Psychology

Not Available

10.3 Healing

Not Available

10.4 Qualities Associated

Not Available

Andalusite Vs Papagoite Fracture

Fracture is an important parameter when you compare Andalusite and Papagoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Andalusite Vs Papagoite 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 Andalusite is Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas and Gemstones (2009). Papagoite fracture is Brittle and Metallic.

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Andalusite Vs Papagoite Luster

A primary knowledge about Andalusite vs Papagoite 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. Andalusite exhibits Vitreous and Greasy luster. Papagoite, on other hand, exhibits Vitreous luster.