The Liminal Lens

Notes on Minerals, Localities & Collecting

    Mineralogue: A Collection Catalogue App

    Mineralogue: A Collection Catalogue App
    Mineralogue turns what you know about your mineral collection into a lasting collection record Detailed specimen records. Fast specimen capture....

    Milpo Mine: Green Fluorite & Unusual Associations from Peru

    Green Fluorite from Milpo Mine, Peru
    Fluorite from the Milpo mine in Peru is instantly recognisable. The octahedral forms, vivid colour and mineral associations are remarkable...

    The Curious Case of the Tonglushan Chalcopyrite Spheres

    The Curious Case of the Tonglushan Chalcopyrite Spheres
    The Tonglushan chalcopyrite spheres have puzzled collectors for years, with testing confirming genuine chalcopyrite while unusual chemistry continues to raise questions about how they formed.

    Customise Your Own Mineral Labels

    Customise Your Own Mineral Labels
    Learn how to print, preserve & catalogue mineral specimen labels. Download free customisable Canva templates.

    Building a Better Mineral Collection

    Building a Better Mineral Collection
    A practical guide to building a more considered mineral collection, from developing your eye and understanding locality to recognising quality, preserving provenance and knowing when to buy, upgrade or walk away.

    Controversial New Find

    Controversial New Find
    A controversial new fluorite on quartz find from Inner Mongolia raised questions about its authenticity. We share the lab results.

    The Liminal Stone Live Shows

    The Liminal Stone Live Shows
    A simple guide to shopping our Instagram Live mineral shows, including how to join, claim specimens, pay your invoice, arrange shipping and watch replays.