Petalite

Malachite

Petalite Vs Malachite

Petalite

Malachite

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1 Astrology

1.1 Origin

Canada, USA, Brazil, Italy, Mozambique, Zimbabwe, Russia, Burma, Australia

Southern and central Africa, green

1.2 Color

Colorless, gray, Yellow, White

Green

1.3 Streak

Colorless

Green

1.4 For which Rashi?

Not Available

Capricorn, Scorpio, Capricorn, Scorpio, Capricorn, Scorpio

1.5 Planet

Not Available

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

Not Available

Receptive

1.9 Deities

Not Available

Freyja

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Protection

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

Not Available

2.2 Solubility

insoluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.403.25-4.10

1 7.18

2.5 Fracture

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

Conchoidal, Conchoidal, Gemstones (2009), Uneven

2.6 Cleavage

Perfect on {001}, poor on {201} with 38.5° angle between the two

Perfect on { 2 01} fair on {010}

2.7 Mohs Hardness

6-6.53.5-4

2 10

2.8 Chemical Composition

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cu₂CO₃(OH)₂

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Adamantine, Vitreous, Silky, Fibrous

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

0.01None

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Opaque

3.5 Refractive Index

1.502-1.5231.655-1.909

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

3.8 Birefringence

0.012-0.0160.254

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Gemmological Tables (2004) More from other references

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

Petalite Vs Malachite Fracture

Fracture is an important parameter when you compare Petalite and Malachite Physical Properties. It is necessary to understand the significance of these properties, before you compare Petalite Vs Malachite 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 Petalite is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references and Subconchoidal. Malachite fracture is Conchoidal, Conchoidal, Gemstones (2009) and Uneven.

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Petalite Vs Malachite Luster

A primary knowledge about Petalite vs Malachite 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. Petalite exhibits Pearly and Vitreous luster. Malachite, on other hand, exhibits Adamantine, Fibrous, Silky and Vitreous luster.