Lapis lazuli

Hematite

Lapis lazuli Vs Hematite

Lapis lazuli

Hematite

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1 Astrology

1.1 Origin

Afghanistan

Southern and central Africa

1.2 Color

Violet, Blue, White

Black, Reddish, gray, Red

1.3 Streak

Blue

Black, Brown, Reddish, Red

1.4 For which Rashi?

Sagittarius

Aries, Aquarius, Aries, Aquarius, Aries, Aquarius

1.5 Planet

Venus

Saturn

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Projective

1.9 Deities

Venus

Mars

1.10 Not to wear with

Not Available

1.11 Powers

Protection, Courage

Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.50-3.005.00-5.30

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

3,6

None, may show partings on {0001} and {10 1 1}

2.7 Mohs Hardness

5.56

2 10

2.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Not Available

3.2 Pleochroism

AbsentWalter Schumann

O = brownish red; E = yellowish red

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Opaque

OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references

3.5 Refractive Index

1.500-1.6702.690-3.220

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

3.8 Birefringence

Not Available0.280

0 0.296

3.9 Clarity

Gemstones of the world (2001)

OpaqueHerve Nicolas Lazzarelli

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

Lapis lazuli Vs Hematite Fracture

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

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Lapis lazuli Vs Hematite Luster

A primary knowledge about Lapis lazuli vs Hematite 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. Lapis lazuli exhibits Greasy and Vitreous luster.