Stone, structure, and the way a piece is chosen.
Field notes for understanding BE. materials, comparing stones, choosing size, and caring for what you wear.
Emerald phantom quartz is clear quartz with a visible green phantom sealed inside. Learn how growth pauses, chlorite layers and clarity create its collector value.
Rutilated quartz contains rutile needles inside quartz. A material-first note on titanium dioxide inclusions, density, readability and BE. golden rutile jewellery.
Amethyst is violet quartz formed through trace iron, natural radiation and time. A geology-first note on colour centres, care, safety and amethyst jewellery.
Aquamarine is blue because trace iron behaves differently inside beryl. A material-first note on Fe2+, beryl, heat treatment and choosing blue crystal jewellery.
Obsidian is volcanic glass, not crystal: a material formed without a lattice, made sharp by fracture and luminous through microscopic gas bubbles in gold sheen obsidian.
Prehnite is a calcium aluminium silicate associated with low-temperature hydrothermal and metamorphic settings. A BE. note on colour, quality, care and jewellery.