Fluorapatite

Achroite

Fluorapatite Vs Achroite

Fluorapatite

Achroite

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1 Astrology

1.1 Origin

Southern and central Africa

Afghanistan, Sri Lanka

1.2 Color

Violet, Blue, Yellow, Brown, White, Colorless

Colorless, Blue

1.3 Streak

White

Not Available

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

3.1-3.252.90-3.40

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

Indistinct

Not Available

2.7 Mohs Hardness

57-7.5

2 10

2.8 Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

3 Optical Properties

3.1 Luster

Vitreous, Resinous

Not Available

3.2 Pleochroism

Weak to strong if coloreD

Not Available

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Transparent

Transparent, Translucent

3.5 Refractive Index

1.631-1.6501.614-1.666

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

Not Available

3.8 Birefringence

Not Available0.014-0.040

0 0.296

3.9 Clarity

Transparent

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 Achroite Fracture

Fracture is an important parameter when you compare Fluorapatite and Achroite Physical Properties. It is necessary to understand the significance of these properties, before you compare Fluorapatite Vs Achroite 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. Achroite fracture is ConchoidalWalter Schumann, Gemstones of the world (2001), Uneven and Uneven.

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Fluorapatite Vs Achroite Luster

A primary knowledge about Fluorapatite vs Achroite 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.