Calcite

Petalite

Calcite Vs Petalite

Calcite

Petalite

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1 Astrology

1.1 Origin

Mexico

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

1.2 Color

White, Colorless, White, pink, Yellow, Brown

Colorless, gray, Yellow, White

1.3 Streak

White

Colorless

1.4 For which Rashi?

Cancer

Not Available

1.5 Planet

Sun

Not Available

1.6 Element of Planets

Earth, Sun

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Spirituality, Healing

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

2.2 Solubility

Soluble

insoluble

2.3 Durability

Not Available

2.4 Specific Gravity

2.67-2.732.40

1 7.18

2.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

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

2.6 Cleavage

Perfect on [10 1 1] three directions with angle of 74° 55

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

2.7 Mohs Hardness

36-6.5

2 10

2.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

3 Optical Properties

3.1 Luster

Vitreous, Pearly

3.2 Pleochroism

NilArthur Thomas

AbsentWalter Schumann

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.486-1.6581.502-1.523

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

monoclinic

3.8 Birefringence

0.154-0.1740.012-0.016

0 0.296

3.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

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

Calcite Vs Petalite Fracture

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

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Calcite Vs Petalite Luster

A primary knowledge about Calcite vs Petalite 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. Calcite exhibits Pearly and Vitreous luster. Petalite, on other hand, exhibits Pearly and Vitreous luster.