Tanzanite

Petalite

Tanzanite Vs Petalite

Tanzanite

Petalite

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1 Astrology

1.1 Origin

Tanzania, Yellow, green, Yellow, green

Canada, USA, Brazil, Italy, Mozambique, Zimbabwe, Russia, Burma, Australia

1.2 Color

Blue

Colorless, gray, Yellow, White

1.3 Streak

White, Colorless

Colorless

1.4 For which Rashi?

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

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Air, Water, Earth

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive, Projective

Not Available

1.9 Deities

Goddess

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love, Healing

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

insoluble

2.3 Durability

Hard

Not Available

2.4 Specific Gravity

3.352.40

1 7.18

2.5 Fracture

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

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

2.6 Cleavage

Perfect {010}, imperfect {100}

Perfect on {001}, poor on {201} with 38.5° angle between the two

2.7 Mohs Hardness

6.5-76-6.5

2 10

2.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Pearly

3.2 Pleochroism

Present

AbsentWalter Schumann

3.3 Dispersion

0.030.01

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.685-1.7071.502-1.523

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

monoclinic

3.8 Birefringence

0.006-0.0180.012-0.016

0 0.296

3.9 Clarity

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

Tanzanite Vs Petalite Fracture

Fracture is an important parameter when you compare Tanzanite and Petalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Tanzanite Vs Petalite 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 Tanzanite is Conchoidal, Gemstones of the world (2001), Uneven and UnevenWalter Schumann. Petalite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references and Subconchoidal.

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Tanzanite Vs Petalite Luster

A primary knowledge about Tanzanite vs Petalite 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. Tanzanite exhibits Vitreous luster. Petalite, on other hand, exhibits Pearly and Vitreous luster.