Astrophyllite

Proustite

Astrophyllite Vs Proustite

Astrophyllite

Proustite

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1 Astrology

1.1 Origin

Canada, Russia

Southern and central Africa

1.2 Color

Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow

Black, Reddish, gray

1.3 Streak

Brown, White, Brown, White

Black, Red

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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.2-3.45.51-5.64

1 7.18

2.5 Fracture

Uneven, Brittle, Metallic

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

2.6 Cleavage

Perfect on [001] imperfect on [100]

Distinct on {10 1 1}

2.7 Mohs Hardness

32.5

2 10

2.8 Chemical Composition

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Greasy, Pearly

Adamantine

3.2 Pleochroism

Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow

Moderate; cochineal-red to blood-red

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references

3.5 Refractive Index

1.678-1.7582.792-3.087

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

Trigonal

3.8 Birefringence

0.0500.295-0.296

0 0.296

3.9 Clarity

Translucent

OpaqueUlrich 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

Astrophyllite Vs Proustite Fracture

Fracture is an important parameter when you compare Astrophyllite and Proustite Physical Properties. It is necessary to understand the significance of these properties, before you compare Astrophyllite Vs Proustite 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 Astrophyllite is Brittle, Metallic and Uneven. Proustite fracture is Brittle, ConchoidalArthur Thomas, Gemstones (2009), Uneven and Uneven.

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Astrophyllite Vs Proustite Luster

A primary knowledge about Astrophyllite vs Proustite 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. Astrophyllite exhibits Greasy and Pearly luster. Proustite, on other hand, exhibits Adamantine luster.