Gahnospinel

Pollucite

Gahnospinel Vs Pollucite

Gahnospinel

Pollucite

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Astrology

Origin

Sri Lanka

Afghanistan, Southern and central Africa

Color

Blue

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

Streak

White

For which Rashi?

Sagittarius, Scorpio

Planet

Pluto

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Hephaestus

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Readily soluble in HF

Durability

Specific Gravity

3.65-4.552.86-2.94

1 7.18

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Fracture

Conchoidal

Conchoidal, Uneven

Cleavage

None, but may exhibit slight parting

None observed

Mohs Hardness

7.5-86.5-7

2 10

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Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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

Optical Properties

Luster

Vitreous

Vitreous, Greasy

Pleochroism

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.735-1.7901.517-1.525

1 3.25

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Optic Character

Crystal System

Isometric

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Empowerment

Healing

Qualities Associated

Transformation

Harmony

Gahnospinel Vs Pollucite Fracture

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

Compare Blue Gemstones

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Gahnospinel Vs Lazurite

Gahnospinel Vs Linarite

Gahnospinel Vs Pollucite Luster

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