Ludlamite

Dravite

Ludlamite Vs Dravite

Ludlamite

Dravite

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Astrology

Origin

USA

Southern and central Africa

Color

Green, Colorless, Greenish, White

White, Colorless, Blue, Red, Green, Yellow, Violet, Black

Streak

Greenish, White

Colorless

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

3.1-3.23.03-3.18

1 7.18

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Fracture

Uneven, Irregular, Conchoidal

Cleavage

Vitreous, pearly on cleavage

{???} Indistinct

Mohs Hardness

3-47-7.5

2 10

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Chemical Composition

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Very strong: pale yellow colorless

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Refractive Index

1.653-1.6931.614-1.666

1 3.25

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Optic Character

Crystal System

monoclinic

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

Birefringence

0.038-0.0440.014-0.032

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Supports digestive health

Psychology

Harmony

Self-acceptance

Healing

Emotional healing

Qualities Associated

Emotional Healing

Self-Exploration

Ludlamite Vs Dravite Fracture

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

Compare Green Gemstones

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Ludlamite Vs Dravite Luster

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