Pollucite

Dravite

Pollucite Vs Dravite

Pollucite

Dravite

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Astrology

Origin

Afghanistan, Southern and central Africa

Southern and central Africa

Color

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

White, Colorless, Blue, Red, Green, Yellow, Violet, Black

Streak

White

Colorless

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

2.86-2.943.03-3.18

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Irregular, Conchoidal

Cleavage

None observed

{???} Indistinct

Mohs Hardness

6.5-77-7.5

2 10

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Chemical Composition

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

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

Very strong: pale yellow colorless

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.517-1.5251.614-1.666

1 3.25

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Optic Character

Crystal System

Isometric

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Birefringence

-99990.014-0.032

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Self-acceptance

Healing

Emotional healing

Qualities Associated

Harmony

Self-Exploration

Pollucite Vs Dravite Fracture

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

Compare White Gemstones

Pollucite Vs Whitlockite

Pollucite Vs Witherite

Pollucite Vs Xonotlite

Pollucite Vs Dravite Luster

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