Gemstone few as one in a million atoms. These so-called impurities are sufficient to absorb certain colors and leave the other colors unaffected. For example, beryl, which is colorless in its pure mineral form, becomes emerald with chromium impurities. If manganese is added instead of chromium, beryl becomes pink morganite. With iron, it becomes aquamarine. Some gemstone treatments make use of the fact that these impurities can be "manipulated", thus changing the color of the gem. Gemstones are often treated to enhance the color or clarity of the stone. Depending on the type and extent of treatment, they can affect the
Aquamarine (novel) with Raymond, after which she must leave. To compensate for her nudity and lack of legs, they plan to dress her in a long blue gown and place her in a wheelchair. Before the meeting, the two girls confide their story in Claire's grandfather, Maury. He believes their story because of his own encounter with a mermaid once. He takes them to the Capri Beach Club, where they organize the table and food for Aquamarine and Raymond. They then lift Aquamarine out of the pool – an operation wherein Claire must overcome a hesitation to enter water – and introduce