Calcite

Powellite

Calcite Vs Powellite

Calcite

Powellite

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1 Astrology

1.1 Origin

Mexico

India

1.2 Color

White, Colorless, White, pink, Yellow, Brown

Yellow, Greenish, Blue, Brown, Green, gray

1.3 Streak

White

Yellow

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

Not Available

2.2 Solubility

Soluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.67-2.734.23

1 7.18

2.5 Fracture

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

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

2.6 Cleavage

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

{111} Distinct

2.7 Mohs Hardness

33.5-4

2 10

2.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Greasy, Subadamantine

3.2 Pleochroism

NilArthur Thomas

In deeply colored specimens: blue greenAnthony et al

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

Transparent

3.5 Refractive Index

1.486-1.6581.974-1.984

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Not Available

3.8 Birefringence

0.154-0.174Not Available

0 0.296

3.9 Clarity

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

Calcite Vs Powellite Fracture

Fracture is an important parameter when you compare Calcite and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Calcite Vs Powellite 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). Powellite fracture is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al.

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Calcite Vs Powellite Luster

A primary knowledge about Calcite vs Powellite 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. Powellite, on other hand, exhibits Greasy and Subadamantine luster.