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THE GEMHOOD EDITORIAL LIBRARY

Wavellite gemstone guide

Wavellite — hydrated aluminium phosphate mineral. Read about characteristic appearance, Mohs hardness, safety and care.

Gem facts · Quality considerations · Care & meaning

Wavellite gemstone — example specimen A study in colour and character
Typical colourGreen, yellow-green, white, grey and occasional blue
Mineral / materialhydrated aluminium phosphate mineral
Mohs hardness3.5–4
Birthstone linkNo modern birthstone listing
COLOUR & APPEARANCE

Every shade has a story.

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

Green
White
Grey
Blue
hydrated aluminium phosphate mineral Mohs 3.5–4
WORLDWIDE OCCURRENCES

Where Wavellite is found

Arkansas and Pennsylvania, United States; Devon, United Kingdom; other phosphate provinces

United States United Kingdom
How it forms

Commonly forms radiating mineral coatings and cavity fillings in low-temperature phosphate-bearing environments.

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 Wavellite?

Wavellite is hydrated aluminium phosphate mineral, commonly represented by the formula Al₃(PO₄)₂(OH)₃·5H₂O. Mohs hardness: 3.5–4. Reported colours include Green, yellow-green, white, grey and occasional blue. Commonly forms radiating mineral coatings and cavity fillings in low-temperature phosphate-bearing environments. Distinctive spherical or hemispherical green radial sprays and layered fibrous botryoidal textures.

Composition: Al₃(PO₄)₂(OH)₃·5H₂O. Scientific properties apply to the mineral or gem type, not as a guarantee about an untested individual product.

More from our editors

Wavellite is hydrated aluminium phosphate mineral, commonly represented by the formula Al₃(PO₄)₂(OH)₃·5H₂O. Mohs hardness: 3.5–4. Reported colours include Green, yellow-green, white, grey and occasional blue. Commonly forms radiating mineral coatings and cavity fillings in low-temperature phosphate-bearing environments. Distinctive spherical or hemispherical green radial sprays and layered fibrous botryoidal textures. Characteristic features: Distinctive spherical or hemispherical green radial sprays and layered fibrous botryoidal textures. Documented occurrences include Arkansas and Pennsylvania, United States; Devon, United Kingdom; other phosphate provinces. Localities describe geological reports, not the proven origin of any individual sale item. Named for the naturalist William Wavell and admired for unusual radial mineral “eyes” and surface rosettes. Primarily a collectible mineral; fragile radial fibres are best protected from contact and abrasion. Dust with no abrasion, store dry, avoid immersion, acid, steam and vigorous brushing of radiating surfaces. Examine radiating internal fibrous texture, not just green colour; similar coatings can arise from fluorwavellite or other phosphates. Green colour and rounded habit are not sufficient to confirm the species; related fluorwavellite may look nearly identical. Specialist testing and chain-of-custody evidence matter for high-value or hazardous materials. Genuine mineral identification requires evidence beyond colour or the appearance of a picture. Read the complete guide before acquiring a specimen.

02 / LOOK CLOSER

Colour, appearance and quality

Characteristic features: Distinctive spherical or hemispherical green radial sprays and layered fibrous botryoidal textures. Documented occurrences include Arkansas and Pennsylvania, United States; Devon, United Kingdom; other phosphate provinces. Localities describe geological reports, not the proven origin of any individual 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 Wavellite: three checks

  1. 01

    Examine radiating internal fibrous texture, not just green colour; similar coatings can arise from fluorwavellite or other phosphates.

  2. 02

    Dust with no abrasion, store dry, avoid immersion, acid, steam and vigorous brushing of radiating surfaces.

COMMON BUYING MISTAKE

Green colour and rounded habit are not sufficient to confirm the species; related fluorwavellite may look nearly identical.

JEWELLERY DESIGN NOTE

Primarily a collectible mineral; fragile radial fibres are best protected from contact and abrasion.

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?

Examine radiating internal fibrous texture, not just green colour; similar coatings can arise from fluorwavellite or other phosphates. Green colour and rounded habit are not sufficient to confirm the species; related fluorwavellite may look nearly identical. Specialist testing and chain-of-custody evidence matter for high-value or hazardous materials.

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

Formation and mineral chemistry

Commonly forms radiating mineral coatings and cavity fillings in low-temperature phosphate-bearing environments.

Wavellite is hydrated aluminium phosphate mineral, commonly represented by the formula Al₃(PO₄)₂(OH)₃·5H₂O. Mohs hardness: 3.5–4. Reported colours include Green, yellow-green, white, grey and occasional blue. Commonly forms radiating mineral coatings and cavity fillings in low-temperature phosphate-bearing environments. Distinctive spherical or hemispherical green radial sprays and layered fibrous botryoidal textures.

A CLOSER LOOK

Diagnostic features and lookalikes

Distinctive spherical or hemispherical green radial sprays and layered fibrous botryoidal textures.

Examine radiating internal fibrous texture, not just green colour; similar coatings can arise from fluorwavellite or other phosphates.

A CLOSER LOOK

Representative origins and provenance

Arkansas and Pennsylvania, United States; Devon, United Kingdom; other phosphate provinces

A locality reference does not prove the offered specimen originates there.

A CLOSER LOOK

Uses and jewellery suitability

Primarily a collectible mineral; fragile radial fibres are best protected from contact and abrasion.

Green colour and rounded habit are not sufficient to confirm the species; related fluorwavellite may look nearly identical.

A CLOSER LOOK

Cleaning, handling and storage

Dust with no abrasion, store dry, avoid immersion, acid, steam and vigorous brushing of radiating surfaces.

Named for the naturalist William Wavell and admired for unusual radial mineral “eyes” and surface rosettes.

A CLOSER LOOK

Specimen image attribution and reuse licence

Specimen image adapted from 'Wavellite - USGS Mineral Specimens 1184.jpg' by Andrew Silver / USGS (public domain) on Wikimedia Commons. Licence: Public domain (USGS). Photo has been resized, converted to WebP and presented against a white background.

Original source: https://commons.wikimedia.org/wiki/File:Wavellite_-_USGS_Mineral_Specimens_1184.jpg ; licence text: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits. The image licence applies to this derivative, not the entire GemHood website.

04 / WEAR IT WELL

Wavellite in jewellery

Primarily a collectible mineral; fragile radial fibres are best protected from contact and abrasion.

05 / MAKE IT LAST

How to care for Wavellite

Dust with no abrasion, store dry, avoid immersion, acid, steam and vigorous brushing of radiating surfaces.

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 for the naturalist William Wavell and admired for unusual radial mineral “eyes” and surface rosettes.

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

Wavellite FAQs

What is Wavellite?

Wavellite is hydrated aluminium phosphate mineral, commonly represented by the formula Al₃(PO₄)₂(OH)₃·5H₂O. Mohs hardness: 3.5–4. Reported colours include Green, yellow-green, white, grey and occasional blue. Commonly forms radiating mineral coatings and cavity fillings in low-temperature phosphate-bearing environments. Distinctive spherical or hemispherical green radial sprays and layered fibrous botryoidal textures.

What is the Mohs hardness of Wavellite?

3.5–4; scratch hardness does not measure toughness or safety.

Where is Wavellite found?

Arkansas and Pennsylvania, United States; Devon, United Kingdom; other phosphate provinces. Individual provenance must be independently verified.

Is Wavellite suitable for jewellery?

Primarily a collectible mineral; fragile radial fibres are best protected from contact and abrasion.

How should I store and clean Wavellite?

Dust with no abrasion, store dry, avoid immersion, acid, steam and vigorous brushing of radiating surfaces.

How can I identify genuine Wavellite?

Examine radiating internal fibrous texture, not just green colour; similar coatings can arise from fluorwavellite or other phosphates.

What safety or treatment issues affect Wavellite?

Green colour and rounded habit are not sufficient to confirm the species; related fluorwavellite may look nearly identical.

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.

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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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