Pollucite

Cavansite

Pollucite Vs Cavansite

Pollucite

Cavansite

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1 Astrology

1.1 Origin

Afghanistan, Southern and central Africa

India

1.2 Color

Grey, White, Colorless, gray, Pale pink, Blue

Blue, Greenish, Greenish, Blue

1.3 Streak

White

Blue, White

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

2.2 Solubility

Readily soluble in HF

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.86-2.942.25-2.33

1 7.18

2.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

2.6 Cleavage

None observed

Good on {010}

2.7 Mohs Hardness

6.5-73-4

2 10

2.8 Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Ca(VO)Si4O10•4(H2O)

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Vitreous, Pearly

3.2 Pleochroism

Not Available

Visible: X=Z= colorless Y= blue

3.3 Dispersion

0.01NA

0.007 1

3.4 Transparency

Transparent, Translucent

Not Available

3.5 Refractive Index

1.517-1.5251.542

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Isometric

Orthorhombic

3.8 Birefringence

Not Available0.009

0 0.296

3.9 Clarity

Transparent

Not Available

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

Pollucite Vs Cavansite Fracture

Fracture is an important parameter when you compare Pollucite and Cavansite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pollucite Vs Cavansite 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 Pollucite is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Cavansite fracture is Brittle, Brittle, Metallic and Metallic.

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Pollucite Vs Cavansite Luster

A primary knowledge about Pollucite vs Cavansite 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. Pollucite exhibits Greasy and Vitreous luster. Cavansite, on other hand, exhibits Pearly and Vitreous luster.