Making gemstones, beads and jewellery yourself

Citrine: origin, colour and Mohs hardness, its role in the solar plexus chakra and care – plus how to tell real citrine from heated amethyst.

Rose quartz: how the pink colour comes about, why it is assigned to the heart chakra, which trade qualities exist and how to clean it properly.

Rock crystal: structure, hardness and where it is found, its place in lithotherapy, quality criteria when buying and the usual cleaning methods.

Amethyst from antiquity to today: what causes the colour, which chakra it is assigned to, price bands and care. With a checklist for buying with confidence.

Red jasper: iron oxide as the colouring agent, Mohs hardness 6.5–7, its link to the root chakra. Plus buying criteria, care notes and a price table by shape.