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In this book, readers will gain a deep understanding of the distinct characteristics and intricate formation mechanisms behind each type of diamond. A standout feature of this book is its in-depth exploration of nanodiamonds, shedding light on their unique formation processes. The narrative is thoughtfully organized, covering four main categories of natural diamonds and their related formation processes: 1)Interstellar nanodiamond particles; 2) Nano- and microcrustal diamonds associated with coals, sediments, and metamorphic rocks; 3) Nanodiamonds and microdiamonds associated with secondary alterations of mafic and ultramafic rocks mainly in the oceanic lithosphere; 4) Mantle-derived diamonds associated with kimberlites and their xenoliths, such as peridotites and eclogites. With clarity and precision, this book caters to both researchers and students in the fields of mineralogy and mineral formation. This book serves as an invaluable resource, offering an all-encompassing perspective on diamond formation, appealing to those curious minds eager to delve into the captivating realm of these precious gems.

Irina Ratushinskaya was only 28-years-old when she was sentenced to seven years' hard labour and five years' internal exile, accused of anti-Soviet agitation and propaganda. Her crime: writing poetry.She was held for three years in a "strict regime" labour camp, in a special unit for women political prisoners where she suffered beatings, force-feeding and solitary confinement in brutal, freezing conditions. But her poems were smuggled out of the camp, and published in 1986 by Bloodaxe in No, I'm Not Afraid, the book which spearheaded an international campaign which eventually secured her release.