Mimetite

Lapis lazuli

Mimetite Vs Lapis lazuli

Mimetite

Lapis lazuli

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1 Astrology

1.1 Origin

Mexico, Southern and central Africa

Afghanistan

1.2 Color

Brownish, Red, Yellow, White, Brown, orange

Violet, Blue, White

1.3 Streak

White

Blue

1.4 For which Rashi?

Not Available

Sagittarius

1.5 Planet

Not Available

Venus

1.6 Element of Planets

Not Available

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Venus

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Protection, Courage

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

7.102.50-3.00

1 7.18

2.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

2.6 Cleavage

[10 1 1] Imperfect

3,6

2.7 Mohs Hardness

3.55.5

2 10

2.8 Chemical Composition

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

3 Optical Properties

3.1 Luster

Resinous, Subadamantine

Vitreous, Greasy

3.2 Pleochroism

Weak

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Translucent

Opaque

3.5 Refractive Index

2.106-2.2631.500-1.670

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

Trigonal

3.8 Birefringence

0.019Not Available

0 0.296

3.9 Clarity

Translucent

Gemstones of the world (2001)

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

Mimetite Vs Lapis lazuli Fracture

Fracture is an important parameter when you compare Mimetite and Lapis lazuli Physical Properties. It is necessary to understand the significance of these properties, before you compare Mimetite Vs Lapis lazuli 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 Mimetite is Brittle, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Lapis lazuli fracture is ConchoidalWalter Schumann, Gemstones of the world (2001) and Uneven-Conchoidal.

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Mimetite Vs Lapis lazuli Luster

A primary knowledge about Mimetite vs Lapis lazuli 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. Mimetite exhibits Resinous and Subadamantine luster. Lapis lazuli, on other hand, exhibits Greasy and Vitreous luster.