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Petalite
Petalite

Ludlamite
Ludlamite



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Petalite
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Ludlamite

Petalite Vs Ludlamite

Astrology

Origin

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

Color

Colorless, gray, Yellow, White
Green, Colorless, Greenish, White

Streak

Colorless
Greenish, 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

Brittle
-

Solubility

insoluble
-

Durability

-
-

Specific Gravity

2.403.1-3.2
1 7.18
👆🏻

Fracture

Subconchoidal, ConchoidalWalter Schumann, Conchoidal
-

Cleavage

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

Mohs Hardness

6-6.53-4
2 10
👆🏻

Chemical Composition

LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.502-1.5231.653-1.693
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.012-0.0160.038-0.044
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

-
Aids in mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
Supports digestive health

Psychology

Calmness
Harmony

Healing

Emotional healing
Emotional healing

Qualities Associated

Peace
Emotional Healing

Petalite Vs Ludlamite Fracture

Fracture is an important parameter when you compare Petalite and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare Petalite Vs Ludlamite 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 Subconchoidal, ConchoidalWalter Schumann and Conchoidal.

Petalite Vs Ludlamite Luster

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