Foitite

Tanzanite

Foitite Vs Tanzanite

Foitite

Tanzanite

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1 Astrology

1.1 Origin

Not Available, Southern and central Africa

Tanzania, Yellow, green, Yellow, green

1.2 Color

Violet, Black

Blue

1.3 Streak

gray, White, gray, White

White, Colorless

1.4 For which Rashi?

Not Available

Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

Air, Water, Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive, Projective

1.9 Deities

Not Available

Goddess

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Love, Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

Hard

2.4 Specific Gravity

3.173.35

1 7.18

2.5 Fracture

Handbook of mineralogy (2001)

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

2.6 Cleavage

None

Perfect {010}, imperfect {100}

2.7 Mohs Hardness

76.5-7

2 10

2.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Strong: pale lavender dark blueAnthony et al

Present

3.3 Dispersion

NA0.03

0.007 1

3.4 Transparency

TranslucentAnthony et al, Translucent

Transparent, Translucent, Transparent to translucent

3.5 Refractive Index

Not Available1.685-1.707

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

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

Orthorhombic

3.8 Birefringence

Not Available0.006-0.018

0 0.296

3.9 Clarity

TranslucentAnthony et al

TransparentUlrich Henn and Claudio C. Milisenda

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Foitite Vs Tanzanite Fracture

Fracture is an important parameter when you compare Foitite and Tanzanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Foitite Vs Tanzanite 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 Foitite is Handbook of mineralogy (2001). Tanzanite fracture is Conchoidal, Gemstones of the world (2001), Uneven and UnevenWalter Schumann.

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Foitite Vs Tanzanite Luster

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