The Perseus crew are on their way to the treasure island, the birthplace of the Hundred Tales, where they hope to locate the treasure box left behind by the Soyuz crew.
Diamond: a very tough, transparent gem.
.الماس: حجر كريم شفاف صلب للغاية
Diamant: Ein durchsichtiger, glänzender
und überaus harter Edelstein.
Le diamant
Il diamante.
Diamante: uma gema muito 
resistente e transparente.
Алмаз — прозрачный, сверкающий
и очень крепкий самоцвет.