Cobaltite

Ludlamite

Cobaltite Vs Ludlamite

Cobaltite

Ludlamite

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1 Astrology

1.1 Origin

Canada

USA

1.2 Color

Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black

Green, Colorless, Greenish, White

1.3 Streak

Black

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

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

6.33.1-3.2

1 7.18

2.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

2.6 Cleavage

{100} Good, {010} Good, {001} Good

Vitreous, pearly on cleavage

2.7 Mohs Hardness

5.53-4

2 10

2.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

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

3 Optical Properties

3.1 Luster

Not Available

Vitreous, Pearly

3.2 Pleochroism

Very weak

NilArthur Thomas

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gems

Gemmological Tables (2004) More from other references

3.5 Refractive Index

Not Available1.653-1.693

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21

monoclinic

3.8 Birefringence

Not Available0.038-0.044

0 0.296

3.9 Clarity

Gems

TransparentUlrich Henn and Claudio C. Milisenda

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

Cobaltite Vs Ludlamite Fracture

Fracture is an important parameter when you compare Cobaltite and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cobaltite Vs Ludlamite 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 Cobaltite is Brittle, Handbook of mineralogy (2001) More from other references, Handbook of mineralogy (2001) More from other references, Metallic, UnevenAnthony et al and UnevenAnthony et al. Ludlamite fracture is Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.

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Cobaltite Vs Ludlamite Luster

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