Chrome-Chalcedony

Holmquistite

Chrome-Chalcedony Vs Holmquistite

Chrome-Chalcedony

Holmquistite

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1 Astrology

1.1 Origin

Southern and central Africa

1.2 Color

White, Colorless, Blue, Red, Green, Yellow, Violet

Black, Blue, Violet

1.3 Streak

Not Available

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.55-2.702.95-3.13

1 7.18

2.5 Fracture

Not Available

2.6 Cleavage

Not Available

{210} Perfect

2.7 Mohs Hardness

6.5-75-6

2 10

2.8 Chemical Composition

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Waxy

Vitreous

3.2 Pleochroism

Not Available

Strong in shades of violet when dark-colored.Anthony et al

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

Transparent

3.5 Refractive Index

1.530-1.5431.622-1.666

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

3.8 Birefringence

0.003-0.009Not Available

0 0.296

3.9 Clarity

Translucent

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

Chrome-Chalcedony Vs Holmquistite Fracture

Fracture is an important parameter when you compare Chrome-Chalcedony and Holmquistite Physical Properties. It is necessary to understand the significance of these properties, before you compare Chrome-Chalcedony Vs Holmquistite 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.

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Chrome-Chalcedony Vs Holmquistite Luster

A primary knowledge about Chrome-Chalcedony vs Holmquistite 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. Chrome-Chalcedony exhibits Waxy luster. Holmquistite, on other hand, exhibits Vitreous luster.