Petalite

Hackmanite

Petalite Vs Hackmanite

Petalite

Hackmanite

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1 Astrology

1.1 Origin

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

Southern and central Africa

1.2 Color

Colorless, gray, Yellow, White

White, Colorless, Blue, Red, Green, Yellow, Violet, pink, Violet

1.3 Streak

Colorless

Not Available

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

Brittle

Not Available

2.2 Solubility

insoluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.402.27-2.33

1 7.18

2.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

2.6 Cleavage

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

Not Available

2.7 Mohs Hardness

6-6.55.5-6

2 10

2.8 Chemical Composition

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

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

0.01NA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Gemmological Tables (2004)

3.5 Refractive Index

1.502-1.5231.483-1.487

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Not Available

3.8 Birefringence

0.012-0.016Not Available

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

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

Petalite Vs Hackmanite Fracture

Fracture is an important parameter when you compare Petalite and Hackmanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Petalite Vs Hackmanite 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. Hackmanite fracture is Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.

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Petalite Vs Hackmanite Luster

A primary knowledge about Petalite vs Hackmanite 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. Hackmanite, on other hand, exhibits Vitreous luster.