Fungal corneal ulcer, with excessive vascularization. Keratitis is a general term meaning any inflammation of the cornea. The term fungal keratitis refers to a corneal infection caused by fungi. One type of fungus that can infect the cornea is Fusarium.
Where do the Stones come from? Suiseki Stones are legally collected from a variety of streams and rivers across the world. Different rivers tend to create their own unique stone style due to the ecology of the river and the way in which the water develops the stones over time.
Also, rocks and beach pebbles too, are composed of minerals. So one could group stones according to what mineral they are made of. Jasper and agate stones belong to the quartz family. But not all stones are composed of only one or two minerals. In that case, a rock or pebble stone will belong to more than one mineral groups.