Gypsum

Lazurite

Gypsum Vs Lazurite

Gypsum

Lazurite

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1 Astrology

1.1 Origin

Mexico

Afghanistan, Southern and central Africa

1.2 Color

Colorless, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown

Blue, Greenish, Violet

1.3 Streak

White

Blue, 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

Flexible

Brittle

2.2 Solubility

Soluble

2.3 Durability

Not Available

2.4 Specific Gravity

2.20-2.402.75

1 7.18

2.5 Fracture

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

2.6 Cleavage

Perfect on {010}, distinct on {100}

Imperfect on {110}

2.7 Mohs Hardness

25.5

2 10

2.8 Chemical Composition

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Vitreous, Silky, Pearly, Waxy

Vitreous

3.2 Pleochroism

None

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.521-1.5311.500

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Isometric

3.8 Birefringence

0.010Not Available

0 0.296

3.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

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

Gypsum Vs Lazurite Fracture

Fracture is an important parameter when you compare Gypsum and Lazurite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gypsum Vs Lazurite 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 Gypsum is Conchoidal, Fibrous, Gemstones (2009), Splintery and UnevenArthur Thomas. Lazurite fracture is Brittle, Conchoidal, Gemstones (2009), Uneven and UnevenArthur Thomas.

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Gypsum Vs Lazurite Luster

A primary knowledge about Gypsum vs Lazurite 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. Gypsum exhibits Pearly, Silky, Vitreous and Waxy luster. Lazurite, on other hand, exhibits Vitreous luster.