Chalcopyrite
Fresh surfaces are brass-yellow, while tarnished pieces may show vivid purple, blue and green colours. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Editorial guides
Form: <span>Cluster</span>
Mineralogy, identification, care, lapidary craft, interiors and documented cultural history—with traditional beliefs clearly labelled as a separate subject.
Phantom Quartz
Nested internal crystal outlines can look like ghost crystals inside the main point. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Prehnite
Its soft translucent green and rounded botryoidal surfaces are especially distinctive. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Black Tourmaline
Natural crystals often show strong vertical grooves and broken uneven terminations rather than perfect polished geometry. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional…
Read guide →Azurite
The deep ultramarine blue is one of the most saturated natural colours in common mineral collecting. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional…
Read guide →Muscovite
Its ability to peel into thin reflective sheets made mica historically useful in windows and insulation. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional…
Read guide →Apophyllite
Glassy square or pyramidal crystals can look almost too perfect, which is part of their natural appeal. Learn its mineral identity, hardness, care, common treatments, authenticity notes and…
Read guide →Amethyst
Known for purple colour zoning that can range from pale lilac to deep violet. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Clear Quartz
Ranges from water-clear to included with veils, fractures, phantoms and mineral inclusions. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Citrine
Natural material is often subtler than the bright orange citrine seen in mass-market crystal shops. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
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