Stichtite

Stichtite is a mineral that is usually found in a bright purple color, and is sometimes used as a decorative stone or as a component in jewellery. It is also used in the production of refractory materials and as a pigment in paint and ceramics.

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Information about Stichtite

Stichtite is a rare, bright-colored mineral typically appearing as a massive, fine-grained aggregate with a waxy to silky texture.

Its most common colours are shades of pink, lilac, lavender, and purple, although it can occasionally appear greenish due to intergrowths with serpentine – and a well known form is a combination of Serpentine and Stichtite which tends to be a green and purple mixed stone known as “Atlantisite”.


Uses and History

Stichtite is primarily used as a decorative or ornamental stone. It usually has a vibrant purple colour, which is often cut en cabochon or carved.

It is not ideal for jewellery though – even cut en cabochon. It is simply far too soft for jewellery usage outside of potentially earrings or pendants.

Stichtite was first discovered in 1910 at the Dundas region in Tasmania, Australia, where it was named after Robert Carl Sticht, a mining engineer and manager of the Mount Lyell Mining and Railway Company.

 


Mineralogy

Chemistry
Stichtite is a chromium magnesium carbonate mineral with the chemical formula Mg6Cr2CO3(OH)16·4H2O.
Colours and Variations

Rose pink to purple, dark purple

Streak
White to pale lilac
Luster
Waxy, greasy, pearly
Transparency
Transparent to opaque
Fracture
Crystal habit
Fibrous, platy aggregates, massive
Mohs hardness
1.5 – 2.0
Fluorescence
Specific Gravity
2.16
Easiest testing method

Hazards and Warnings

Mineral collectors should wash their hands after handling specimens, to avoid any exposure to potential toxins.

Almost all rocks, minerals (and, frankly, almost all other substances on earth) can produce toxic dust when cutting, which can cause serious respiratory conditions including silicosis.

When cutting or polishing rocks, minerals, shells, etc, all work should be done wet to minimise the dust, and a suitable respirator or extraction system should be used.

 


Translations

Arabic:

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Bengali:

Indonesian:

Punjabi:

English:

Italian:

Russian:

  • Стихтит

French:

Japanese:

  • スティヒタイト

Spanish:

  • Stichtita

German:

  • Stichtit

Korean:

Thai:

  • สติชไทต์

Gujurati:

Mandarin Chinese:

Urdu:


Further Reading / External Links