Legrandite

Omphacite

Legrandite Vs Omphacite

Legrandite

Omphacite

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1 Astrology

1.1 Origin

Mexico

Southern and central Africa

1.2 Color

Yellow, yellowish orange

Green

1.3 Streak

White

Greenish, White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

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

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

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

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.98-4.043.16-3.43

1 7.18

2.5 Fracture

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

2.6 Cleavage

Imperfect, poor one {100}

{110} Good, {110} Good

2.7 Mohs Hardness

4.5-55-6

2 10

2.8 Chemical Composition

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Colorless

Weak: colorless -- very pale green -- very pale green

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gems

TranslucentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.702-1.7401.662-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Not Available

3.8 Birefringence

0.060Not Available

0 0.296

3.9 Clarity

Gems

TranslucentAnthony et al

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

Legrandite Vs Omphacite Fracture

Fracture is an important parameter when you compare Legrandite and Omphacite Physical Properties. It is necessary to understand the significance of these properties, before you compare Legrandite Vs Omphacite 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 Legrandite is Brittle, Conchoidal, Gemstones (2009) and UnevenArthur Thomas. Omphacite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.

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Legrandite Vs Omphacite Luster

A primary knowledge about Legrandite vs Omphacite 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. Legrandite exhibits Vitreous luster. Omphacite, on other hand, exhibits Vitreous luster.