Naomi Reeve

In crystal practice emerald, May's birthstone, is a stone of love and loyalty. Wear it through the engagement; give it when the first year ends.

In crystal practice March's bloodstone is a protective stone of courage, and aquamarine is kept for calm, at the throat. How to wear both.

In crystal practice June's pearl is kept for calm, moonstone for intuition and alexandrite for change. How to choose between them and wear each.

Ruby, July's birthstone, is a stone of courage, passion and devotion in crystal practice, placed at the heart or the root.

In crystal practice garnet, January's birthstone, is worn low for steadiness in the dark months, carried for travel and given for constancy.

Amethyst, whose Greek name means not drunken, is February's stone, worn in crystal practice for moderation and cleared with smoke or sound.

In crystal practice December's turquoise is a protective stone, best received as a gift. How to wear it, and where tanzanite and zircon fit.

August's three birthstones: peridot for letting go, sardonyx for a partnership that has lasted, and spinel for taking something up again.

Diamond, April's birthstone, stands for clarity, strength and commitment in crystal practice. Wear it for a vow; give it on the eve of a start.