John Cancalosi / Rhodochrosite (manganese carbonate) in a polished slice of stalactite. Argentina

John Cancalosi / Rhodochrosite (Manganese carbonate mineral) polished slice of stalactite, Argentina

John Cancalosi / Detail of a slice of blue Agate, Cryptocrystaline quartz, Brazil

Mark Raycroft / Miniature Wire-haired Dachshund (Canis familiaris) puppy eating a watermelon slice

Steven David Miller / Kiwi fruit slice on lightbox {Actinidia chinensis}

Steven David Miller / Lemon slice on lightbox {Citrus lemon}