Foitite

Oligoclase

Foitite Vs Oligoclase

Foitite

Oligoclase

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Astrology

Origin

Southern and central Africa

Color

Violet, Black

Colorless, Brown, Greenish, gray

Streak

gray, White

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

Solubility

Durability

Specific Gravity

3.172.62-2.67

1 7.18

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Fracture

Uneven

Cleavage

None

From the Greek, oligos and kasein, little cleavage.

Mohs Hardness

76-6.5

2 10

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Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous

Pleochroism

Strong: pale lavender dark blueAnthony et al

Dispersion

0.020.01

0.005 1

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Transparency

TranslucentAnthony et al, Translucent

Refractive Index

-99991.538-1.550

1 3.25

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Optic Character

Crystal System

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

Birefringence

-99990.010

0 0.296

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Clarity

TranslucentAnthony et al

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Reproductive

Digestive

Psychology

Empowerment

Harmony

Healing

Emotional healing

Qualities Associated

Emotional Healing

Harmony

Foitite Vs Oligoclase Fracture

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

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Foitite Vs Oligoclase Luster

A primary knowledge about Foitite vs Oligoclase 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. Foitite exhibits Vitreous luster. Oligoclase, on other hand, exhibits Vitreous luster.