Poldervaartite

Anhydrite

Poldervaartite Vs Anhydrite

Poldervaartite

Anhydrite

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1 Astrology

1.1 Origin

Southern and central Africa

Mexico

1.2 Color

Colorless, White

Colorless, Blue, Violet, White, Brown, Colorless, Blue, Violet, White, rose, Brown, gray, Colorless, White, Violet, gray, Colorless, White, Violet, gray

1.3 Streak

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

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.912.90-2.98

1 7.18

2.5 Fracture

Handbook of mineralogy (2001)

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

2.6 Cleavage

None

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

2.7 Mohs Hardness

Not Available3.5

2 10

2.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous

Pearly, Greasy

3.2 Pleochroism

Weak: colorless light gray bluish grayAnthony et al

For violet varieties

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

Transparent

3.5 Refractive Index

1.634-1.6561.570-1.614

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

Not Available0.042-0.044

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

Poldervaartite Vs Anhydrite Fracture

Fracture is an important parameter when you compare Poldervaartite and Anhydrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Poldervaartite Vs Anhydrite 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 Poldervaartite is Handbook of mineralogy (2001). Anhydrite fracture is Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, Gemstones (2009) and UnevenArthur Thomas.

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Poldervaartite Vs Anhydrite Luster

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