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Brookite
Brookite

Howlite
Howlite



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Brookite
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Howlite

Brookite Vs Howlite

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Astrology

Origin

Russia
Southern and central Africa

Color

Red, Reddish, Brown, Black, orange
Blue, Colorless, White

Streak

White
White

For which Rashi?

-
Gemini, Virgo

Planet

-
-

Element of Planets

-
Earth

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Quan Yin

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.87-4.142.45-2.58
1 7.18
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Fracture

Subconchoidal, Conchoidal
Conchoidal

Cleavage

Poor on {120}, in traces on {001}
None

Mohs Hardness

5.5-63-3.5
2 10
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Chemical Composition

TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

Very weak
-

Dispersion

0.200.01
0.005 1
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Transparency

-
-

Refractive Index

2.583-2.7411.583-1.608
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.1170.019
0 0.296
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Clarity

-
-

Benefits

Physical

Neurological

-
Aids in mental clarity and focus

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Transformation
Calming

Healing

Emotional healing
Emotional healing

Qualities Associated

Transformation
Calming

Brookite Vs Howlite Fracture

Fracture is an important parameter when you compare Brookite and Howlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Brookite Vs Howlite 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 Brookite is Subconchoidal and Conchoidal. Howlite fracture is Conchoidal.

Brookite Vs Howlite Luster

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