Riebeckite

Povondraite

Riebeckite Vs Povondraite

Riebeckite

Povondraite

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1 Astrology

1.1 Origin

Not Available

1.2 Color

Black, Blue, Yellow, Green

Brownish, Black

1.3 Streak

Grey, Greenish, Brown

Brown

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

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.28-3.443.26

1 7.18

2.5 Fracture

Uneven, Splintery, Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

2.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

None

2.7 Mohs Hardness

5.0-6.0Not Available

2 10

2.8 Chemical Composition

Not Available

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous, Silky

Resinous

3.2 Pleochroism

X = blue

Strong: yellow-brown

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Translucent

3.5 Refractive Index

1.680-1.698Not Available

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Not Available

3.8 Birefringence

0.005-0.008Not Available

0 0.296

3.9 Clarity

Not Available

Translucent

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

Riebeckite Vs Povondraite Fracture

Fracture is an important parameter when you compare Riebeckite and Povondraite Physical Properties. It is necessary to understand the significance of these properties, before you compare Riebeckite Vs Povondraite 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 Riebeckite is Brittle, Splintery and Uneven. Povondraite fracture is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.

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Riebeckite Vs Povondraite Luster

A primary knowledge about Riebeckite vs Povondraite 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. Riebeckite exhibits Silky and Vitreous luster. Povondraite, on other hand, exhibits Resinous luster.