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Crystals grew inside rock like arithmetic flowers. They lengthened and spread, added plane to plane in an awed and perfect obedience to an absolute geometry that even stones - maybe only the stones - understood.

The kinds of things I like with crystals are the really beautiful costume jewelry, vintage pieces, and they usually have that diamond shape.

I collect crystals and gemstones, and I've been collecting them since I was a little girl. They give me positive energy and strength. They make me feel connected to the earth. I cherish them.

The mineral world is a much more supple and mobile world than could be imagined by the science of the ancients. Vaguely analogous to the metamorphoses of living creatures, there occurs in the most solid rocks, as we now know, perpetual transformation of a mineral species.

Western Australia is covered by granite, the largest single piece of Achaean rock that still lies on the surface of the, of, of the Earth, that's 2.5 to 2.9 billion years old. It's one of the most ancient and intact bits of the Earth's crust.

Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion.

During the course of my research, I had had occasion to examine not only simple compounds, salts and oxides, but also a great number of minerals.

Do glassmakers not have the ability to knead their own agates, marbles and rock crystals?

We're stunned by the diversity of rocks. This stuff looks like it was put into a blender.