Hollandite

Andradite

Hollandite Vs Andradite

Hollandite

Andradite

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1 Astrology

1.1 Origin

Not Available

Italy, Russia

1.2 Color

Grey, Black, gray

Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray

1.3 Streak

Black

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

5.053.70-4.10

1 7.18

2.5 Fracture

Brittle, Metallic

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

2.6 Cleavage

Distinct / Good, Prismatic

none

2.7 Mohs Hardness

4-66.5-7

2 10

2.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Not Available

Adamantine, Resinous

3.2 Pleochroism

Weak.

Not Available

3.3 Dispersion

NA0.06

0.007 1

3.4 Transparency

Not Available

Transparent

3.5 Refractive Index

Not Available1.88-1.94

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

cubic

3.8 Birefringence

Not Available0.057

0 0.296

3.9 Clarity

Not Available

Transparent

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

Hollandite Vs Andradite Fracture

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

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Hollandite Vs Andradite Luster

A primary knowledge about Hollandite vs Andradite 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. Andradite, on other hand, exhibits Adamantine and Resinous luster.