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Stichtite gemstone guide

Stichtite: chromium magnesium carbonate hydroxide, Mohs 1.5–2. Explore identification, origins, buying, safe handling and care.

Gem facts · Quality considerations · Care & meaning

Stichtite gemstone — example specimen A study in colour and character
Typical colourPurple, lilac, pink-purple often in green serpentine
Mineral / materialChromium magnesium carbonate hydroxide
Mohs hardness1.5–2
Birthstone linkNo modern birthstone listing
COLOUR & APPEARANCE

Every shade has a story.

Typical appearances for Stichtite. Natural stones vary, and lighting or treatment can change their appearance.

Purple
Lilac
Green
Chromium magnesium carbonate hydroxide Mohs 1.5–2
WORLDWIDE OCCURRENCES

Where Stichtite is found

Australia; South Africa; Canada

Australia South Africa Canada
How it forms

Occurs in altered ultramafic rocks, often with serpentine minerals, including the commercially known stichtite-in-serpentine material.

These are representative geological or commercial sources, not certified provenance for an individual stone. Country of origin should be substantiated independently when relevant to value.

01 / THE GEM AT A GLANCE

What is Stichtite?

Stichtite is a chromium magnesium carbonate hydroxide with representative formula Mg₆Cr³⁺₂(OH)₁₆(CO₃)·4H₂O and reported Mohs hardness 1.5–2. Typical appearance includes waxy irregular patches of soft purple material within dark or green serpentine rock; documented colours include purple, lilac, pink-purple often in green serpentine. Occurs in altered ultramafic rocks, often with serpentine minerals, including the commercially known stichtite-in-serpentine material.

More from our editors

Stichtite is a chromium magnesium carbonate hydroxide with representative formula Mg₆Cr³⁺₂(OH)₁₆(CO₃)·4H₂O and reported Mohs hardness 1.5–2. Typical appearance includes waxy irregular patches of soft purple material within dark or green serpentine rock; documented colours include purple, lilac, pink-purple often in green serpentine. Occurs in altered ultramafic rocks, often with serpentine minerals, including the commercially known stichtite-in-serpentine material. Reported reference localities include Australia; South Africa; Canada. These are mineralogical occurrence areas, not independently verified provenance for a particular sale item. Purple-in-green ornamental specimens often contain more than one mineral; the name of the overall rock does not prove a particular phase or treatment. Require a species label, actual specimen dimensions, photographs of the object being sold, and disclosure of stabilisation, repair or chemical treatment. Avoid abrasive polishing at home; soft material is easily scratched and pulverized. Do not infer health benefits from the purple colour. Keep away from acids and hard stones; wipe gently and do not expose porous pieces to aggressive cleaners or long water immersion. Can be displayed or used in carefully protected ornamental pieces, but extremely soft material is unsuitable for exposed everyday rings. The illustrative image is not an authenticated mineral specimen or product photograph. Named after Robert Carl Sticht, a mining executive associated with Tasmanian mineral history. Crystal habit, colour and apparent size can vary substantially with geological setting and sample preparation. A visually plausible rendering is not evidence of chemical composition, geographic origin or an available product. For significant purchases compare with an established mineral reference and request scientific confirmation where the species is uncertain. Do not use collector minerals in drinking-water infusions or assume the safety properties of another mineral with similar colour. When viewing a gallery image, distinguish an illustration from a photograph of the actual specimen. The commercial listing should disclose dimensions, weight, treatment, condition, origin evidence and specific safety restrictions for the item offered.

02 / LOOK CLOSER

Colour, appearance and quality

Waxy irregular patches of soft purple material within dark or green serpentine rock. Reported reference localities include Australia; South Africa; Canada. These are mineralogical occurrence areas, not independently verified provenance for a particular sale item.

Before you choose a stone

Compare images taken in more than one lighting condition, ask for views of the actual item and check how the cut and setting change its appearance. A gemstone type is not a standard grade: each natural specimen has its own colour, inclusions and workmanship.

THE GEMHOOD BUYER'S FIELD NOTES

How to choose Stichtite: three checks

  1. 01

    Purple-in-green ornamental specimens often contain more than one mineral; the name of the overall rock does not prove a particular phase or treatment.

  2. 02

    Request current photos, scale, origin evidence, condition, repairs and treatment disclosure for the specific specimen.

COMMON BUYING MISTAKE

Avoid abrasive polishing at home; soft material is easily scratched and pulverized. Do not infer health benefits from the purple colour.

JEWELLERY DESIGN NOTE

Can be displayed or used in carefully protected ornamental pieces, but extremely soft material is unsuitable for exposed everyday rings.

These notes describe typical gem material and trade practices. They do not independently grade or identify a specific item offered for sale.

03 / BUY WITH CONFIDENCE

Natural, laboratory-grown, treated or imitation?

Purple-in-green ornamental specimens often contain more than one mineral; the name of the overall rock does not prove a particular phase or treatment. Require a species label, actual specimen dimensions, photographs of the object being sold, and disclosure of stabilisation, repair or chemical treatment.

These distinctions should be clear in the listing for any particular gem. Treatments are not automatically unacceptable, but an undisclosed treatment, vague mineral identity or unsupported origin claim prevents an informed purchase. Where material identity materially affects value, an independent gemological identification report may be worth considering.

A CLOSER LOOK

Composition, chemistry and reported hardness

Stichtite is a chromium magnesium carbonate hydroxide with representative formula Mg₆Cr³⁺₂(OH)₁₆(CO₃)·4H₂O and reported Mohs hardness 1.5–2. Typical appearance includes waxy irregular patches of soft purple material within dark or green serpentine rock; documented colours include purple, lilac, pink-purple often in green serpentine. Occurs in altered ultramafic rocks, often with serpentine minerals, including the commercially known stichtite-in-serpentine material.

Idealised composition is written as Mg₆Cr³⁺₂(OH)₁₆(CO₃)·4H₂O; naturally occurring materials may contain substitutions and intergrowths. Mohs hardness 1.5–2 measures resistance to scratching rather than durability against fracture.

A CLOSER LOOK

Appearance and diagnostic crystal habits

Waxy irregular patches of soft purple material within dark or green serpentine rock. Purple, lilac, pink-purple often in green serpentine.

Purple-in-green ornamental specimens often contain more than one mineral; the name of the overall rock does not prove a particular phase or treatment. Require a species label, actual specimen dimensions, photographs of the object being sold, and disclosure of stabilisation, repair or chemical treatment.

A CLOSER LOOK

How and where this mineral forms

Occurs in altered ultramafic rocks, often with serpentine minerals, including the commercially known stichtite-in-serpentine material.

Reported reference localities include Australia; South Africa; Canada. These are mineralogical occurrence areas, not independently verified provenance for a particular sale item.

A CLOSER LOOK

Historical terminology and common confusions

Named after Robert Carl Sticht, a mining executive associated with Tasmanian mineral history.

Purple-in-green ornamental specimens often contain more than one mineral; the name of the overall rock does not prove a particular phase or treatment.

A CLOSER LOOK

How to buy authentic and accurately labelled material

Purple-in-green ornamental specimens often contain more than one mineral; the name of the overall rock does not prove a particular phase or treatment. Require a species label, actual specimen dimensions, photographs of the object being sold, and disclosure of stabilisation, repair or chemical treatment.

Ask for a photograph of the exact piece, not a reference-library illustration. Confirm whether the item is natural, treated, assembled, coated, repaired or only visually similar to this species.

A CLOSER LOOK

Jewellery suitability, safe handling and storage

Can be displayed or used in carefully protected ornamental pieces, but extremely soft material is unsuitable for exposed everyday rings. The illustrative image is not an authenticated mineral specimen or product photograph.

Avoid abrasive polishing at home; soft material is easily scratched and pulverized. Do not infer health benefits from the purple colour. Keep away from acids and hard stones; wipe gently and do not expose porous pieces to aggressive cleaners or long water immersion.

A CLOSER LOOK

Care, display and long-term preservation

Keep away from acids and hard stones; wipe gently and do not expose porous pieces to aggressive cleaners or long water immersion.

Soft or cleavable species may be permanently damaged by household chemical cleaners, pressure, grinding or soaking. For powdery, fibrous or arsenate-bearing pieces seek conservative, closed-display handling.

A CLOSER LOOK

What the GemHood illustration can—and cannot—show

This guide uses an original AI-generated concept illustration of Stichtite based on reported colours and crystal morphology. It is not a certified specimen photograph, a geological assay or evidence of stock.

The linked mineral reference should be consulted alongside laboratory testing or documented locality information when precise identity matters.

04 / WEAR IT WELL

Stichtite in jewellery

Can be displayed or used in carefully protected ornamental pieces, but extremely soft material is unsuitable for exposed everyday rings. The illustrative image is not an authenticated mineral specimen or product photograph.

05 / MAKE IT LAST

How to care for Stichtite

Avoid abrasive polishing at home; soft material is easily scratched and pulverized. Do not infer health benefits from the purple colour. Keep away from acids and hard stones; wipe gently and do not expose porous pieces to aggressive cleaners or long water immersion.

One essential care distinction

Mohs hardness describes resistance to scratching, not resistance to breaking. Gemstones with cleavage, existing fractures, porous surfaces or fillings can need extra care regardless of their hardness number. If you do not know whether a piece has been treated, begin with the gentlest appropriate cleaning method.

06 / CULTURE & MEANING

History, heritage and symbolism

Named after Robert Carl Sticht, a mining executive associated with Tasmanian mineral history.

Traditional meanings and spiritual associations are part of cultural storytelling. They are not evidence that a gemstone diagnoses, prevents or treats any medical condition.

GOOD QUESTIONS, CLEAR ANSWERS

Stichtite FAQs

What is Stichtite?

Stichtite is a chromium magnesium carbonate hydroxide commonly represented by Mg₆Cr³⁺₂(OH)₁₆(CO₃)·4H₂O. Waxy irregular patches of soft purple material within dark or green serpentine rock.

How hard is Stichtite?

Reported Mohs hardness: 1.5–2. This number does not predict cleavage, toughness or whether a piece is suitable for daily wear.

What colour is Stichtite?

Reported colours include purple, lilac, pink-purple often in green serpentine; mineral associations and lighting can change the appearance.

Where does Stichtite occur?

Reference localities include Australia; South Africa; Canada. These areas do not confirm a seller’s provenance without documentation.

How do I identify natural Stichtite?

Purple-in-green ornamental specimens often contain more than one mineral; the name of the overall rock does not prove a particular phase or treatment. Request mineral identification evidence where appearance is ambiguous.

Can I wear Stichtite in a ring or pendant?

Can be displayed or used in carefully protected ornamental pieces, but extremely soft material is unsuitable for exposed everyday rings.

How should I clean and store Stichtite?

Keep away from acids and hard stones; wipe gently and do not expose porous pieces to aggressive cleaners or long water immersion.

Are there safety issues with Stichtite?

Avoid abrasive polishing at home; soft material is easily scratched and pulverized. Do not infer health benefits from the purple colour.

Is the illustration an actual Stichtite specimen?

No. It is an original AI-generated educational illustration; it does not document a physical item, its authenticity or its place of extraction.

A NOTE FROM THE GEMHOOD EDITORIAL DESK

How to use this guide

We explain gemstone properties, known mining regions and customary treatments to help you shop more confidently. Each gemstone can vary in quality and individual provenance, so compare the actual jewellery listing and request supporting documentation if origin, treatment or natural-versus-laboratory-grown status affects your choice.

Our gemstone library is educational and does not act as a laboratory identification certificate. Independent gemological assessment is advisable for valuable or disputed claims.

EDITORIAL REFERENCES

Research and further reading

References describe mineral species and representative occurrences, not verification of any individual item for sale.

No matching jewellery is currently in stock. Explore the guide or browse our full collection.

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KEEP EXPLORING

Other gemstones to discover

Educational articles describe gemstone types and common trade practices. They are not individual gemological certificates, current price appraisals or medical advice.

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