Petalite

Rhodolite

Petalite Vs Rhodolite

Petalite

Rhodolite

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1 Astrology

1.1 Origin

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

Brazil, Kenya, Madagascar, Mozambique, Sri Lanka

1.2 Color

Colorless, gray, Yellow, White

Red

1.3 Streak

Colorless

Not Available

1.4 For which Rashi?

Not Available

Taurus

1.5 Planet

Not Available

Mars

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Projective

1.9 Deities

Not Available

Venus

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Love

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

Not Available

2.2 Solubility

insoluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.403.84

1 7.18

2.5 Fracture

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

Conchoidal

2.6 Cleavage

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

none, may show indistinct parting

2.7 Mohs Hardness

6-6.57-7.5

2 10

2.8 Chemical Composition

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

(Mg,Fe)₃Al₂Si₃O₁₂

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Greasy, Vitreous

3.2 Pleochroism

AbsentWalter Schumann

None

3.3 Dispersion

0.01None

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Gemmological Tables (2004)

3.5 Refractive Index

1.502-1.5231.760

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

cubic

3.8 Birefringence

0.012-0.0160.010-0.014

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

Petalite Vs Rhodolite Fracture

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

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Petalite Vs Rhodolite Luster

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