Fluorapatite

Covellite

Fluorapatite Vs Covellite

Fluorapatite

Covellite

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1 Astrology

1.1 Origin

Southern and central Africa

Mexico

1.2 Color

Violet, Blue, Yellow, Brown, White, Colorless

Blue, Blue, Black

1.3 Streak

White

Grey, Black, gray

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

Flexible

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.1-3.254.6-4.76

1 7.18

2.5 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

2.6 Cleavage

Indistinct

Perfect on {0001}

2.7 Mohs Hardness

5Not Available

2 10

2.8 Chemical Composition

Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous, Resinous

Resinous

3.2 Pleochroism

Weak to strong if coloreD

Marked

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references

3.5 Refractive Index

1.631-1.6501.45-2.62

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Transparent

OpaqueAnthony 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

Fluorapatite Vs Covellite Fracture

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

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Fluorapatite Vs Covellite Luster

A primary knowledge about Fluorapatite vs Covellite 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. Fluorapatite exhibits Resinous and Vitreous luster. Covellite, on other hand, exhibits Resinous luster.