Gahnospinel

Andalusite

Gahnospinel Vs Andalusite

Gahnospinel

Andalusite

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Astrology

Origin

Sri Lanka

Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)

Color

Blue

Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red

Streak

White

For which Rashi?

Sagittarius, Scorpio

Planet

Pluto

Venus

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Hephaestus

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.65-4.553.05-3.21

1 7.18

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Fracture

Conchoidal

Uneven, Subconchoidal, Splintery

Cleavage

None, but may exhibit slight parting

Good on {110}, poor on {100}

Mohs Hardness

7.5-87.5

2 10

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Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous

Vitreous, Greasy

Pleochroism

strongly trichroic

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.735-1.7901.627-1.650

1 3.25

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Optic Character

Crystal System

Isometric

Orthorhombic

Birefringence

-99990.009-0.010

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Psychology

Empowerment

Perception

Healing

Physical healing

Qualities Associated

Transformation

Self-Realization

Gahnospinel Vs Andalusite Fracture

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

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Lazurite

Gahnospinel Vs Linarite

Gahnospinel Vs Andalusite Luster

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