Prehnite

Calcite

Prehnite Vs Calcite

Prehnite

Calcite

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1 Astrology

1.1 Origin

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

Mexico

1.2 Color

Green, Colorless, gray, Yellow, White

White, Colorless, White, pink, Yellow, Brown

1.3 Streak

Colorless

White

1.4 For which Rashi?

Libra

Cancer

1.5 Planet

Venus

Sun

1.6 Element of Planets

Earth

Earth, Sun

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

1.9 Deities

Freya

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Spirituality, Healing

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

Not Available

Soluble

2.3 Durability

Not Available

2.4 Specific Gravity

2.80-2.952.67-2.73

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

Distinct on [001]

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

2.7 Mohs Hardness

6-6.53

2 10

2.8 Chemical Composition

Ca₂Al₂Si₃O₁₂(OH)

CaCO 3Ulrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Pearly

3.2 Pleochroism

AbsentWalter Schumann

NilArthur Thomas

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent

Transparent, Translucent

3.5 Refractive Index

1.611-1.6731.486-1.658

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.021-0.0330.154-0.174

0 0.296

3.9 Clarity

TranslucentHerve Nicolas Lazzarelli

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

Prehnite Vs Calcite Fracture

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

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Prehnite Vs Calcite Luster

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