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Phlogopite
Phlogopite

Howlite
Howlite



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Phlogopite
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Howlite

Phlogopite Vs Howlite

Astrology

Origin

Italy
Southern and central Africa

Color

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

Tough
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.78-2.852.45-2.58
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

Perfect basal (001)
None

Mohs Hardness

2-2.53-3.5
2 10
👆🏻

Chemical Composition

KMg3(Si3Al)O10(F,OH)2
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.530-1.5731.583-1.608
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.0280-0.04500.019
0 0.296
👆🏻

Clarity

-
-

Benefits

Physical

Neurological

-
Aids in mental clarity and focus

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Self-discovery
Calming

Healing

Emotional healing
Emotional healing

Qualities Associated

Awareness
Calming

Phlogopite Vs Howlite Fracture

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

Phlogopite Vs Howlite Luster

A primary knowledge about Phlogopite 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. Phlogopite exhibits Pearly luster. Howlite, on other hand, exhibits Vitreous luster.