Astrophyllite

Brookite

Astrophyllite Vs Brookite

Astrophyllite

Brookite

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1 Astrology

1.1 Origin

Canada, Russia

Russia

1.2 Color

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

Red, Reddish, Brown, Black, Brown, Reddish, orange

1.3 Streak

Brown, White, Brown, White

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

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.2-3.43.87-4.14

1 7.18

2.5 Fracture

Uneven, Brittle, Metallic

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

2.6 Cleavage

Perfect on [001] imperfect on [100]

Poor on {120}, in traces on {001}

2.7 Mohs Hardness

35.5-6

2 10

2.8 Chemical Composition

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

TiO 2Michael 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

Very weak

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.678-1.7582.583-2.741

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

Orthorhombic

3.8 Birefringence

0.0500.117

0 0.296

3.9 Clarity

Translucent

Gemmological Tables (2004) More from other references

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 Brookite Fracture

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

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Astrophyllite Vs Brookite Luster

A primary knowledge about Astrophyllite vs Brookite 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. Brookite, on other hand, exhibits Adamantine luster.