Riebeckite

Pollucite

Riebeckite Vs Pollucite

Riebeckite

Pollucite

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Astrology

Origin

Afghanistan, Southern and central Africa

Color

Black, Blue, Yellow, Green

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

Streak

Grey, Greenish, Brown

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Readily soluble in HF

Durability

Specific Gravity

3.28-3.442.86-2.94

1 7.18

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Fracture

Uneven, Splintery

Conchoidal, Uneven

Cleavage

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

None observed

Mohs Hardness

5.0-6.06.5-7

2 10

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Chemical Composition

Na2Fe2+3Fe3+2Si8O22(OH)2

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

Optical Properties

Luster

Vitreous, Silky

Vitreous, Greasy

Pleochroism

X = blue

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.680-1.6981.517-1.525

1 3.25

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Optic Character

Crystal System

monoclinic

Isometric

Birefringence

0.005-0.008-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Empowerment

Healing

Emotional healing

Qualities Associated

Clear Thinking

Harmony

Riebeckite Vs Pollucite Fracture

Fracture is an important parameter when you compare Riebeckite and Pollucite Physical Properties. It is necessary to understand the significance of these properties, before you compare Riebeckite Vs Pollucite 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 Uneven and Splintery. Pollucite fracture is Conchoidal and Uneven.

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Riebeckite Vs Pollucite Luster

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