Cassiterite

Astrophyllite

Cassiterite Vs Astrophyllite

Cassiterite

Astrophyllite

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1 Astrology

1.1 Origin

Sri Lanka

Canada, Russia

1.2 Color

Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray

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

1.3 Streak

White, Brownish, Brownish, White

Brown, White, Brown, 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

Brittle

Not Available

2.2 Solubility

insoluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

6.86-7.033.2-3.4

1 7.18

2.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

Uneven, Brittle, Metallic

2.6 Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

Perfect on [001] imperfect on [100]

2.7 Mohs Hardness

6-73

2 10

2.8 Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

3 Optical Properties

3.1 Luster

Adamantine, Greasy

Greasy, Pearly

3.2 Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow

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

3.3 Dispersion

0.07NA

0.007 1

3.4 Transparency

Transparent, Translucent

Translucent

3.5 Refractive Index

1.990-2.1051.678-1.758

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

tetragonal

Triclinic

3.8 Birefringence

0.096-0.0980.050

0 0.296

3.9 Clarity

Transparent

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

Cassiterite Vs Astrophyllite Fracture

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

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Cassiterite Vs Astrophyllite Luster

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