Neptunite

Friedelite

Neptunite Vs Friedelite

Neptunite

Friedelite

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1 Astrology

1.1 Origin

USA

1.2 Color

Black, Red, Brown

Red, Brown, Brown, Red, Yellow, pink

1.3 Streak

Brown, Red

pink

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

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.19-3.233.06-3.19

1 7.18

2.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

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

2.6 Cleavage

{110} good

{010} Perfect

2.7 Mohs Hardness

5-64-5

2 10

2.8 Chemical Composition

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

x=yellow-orange

NilArthur Thomas

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

3.5 Refractive Index

1.692-1.7341.627-1.663

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

3.8 Birefringence

0.0294-0.04520.032-0.035

0 0.296

3.9 Clarity

Translucent

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

Neptunite Vs Friedelite Fracture

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

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Neptunite Vs Friedelite Luster

A primary knowledge about Neptunite vs Friedelite 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. Neptunite exhibits Vitreous luster.