Agakomo Isoko y'ibanze y'ibitekerezo kuri aka gakomo yabaye gusubiza agaciro ibikoresho bidafite agaciro. Guhuranya icyuma cyagiye umukara na zahabu, ifeza n'amabuye y'agaciro ntabwo byongera gusa ubwiza bw'ibyo bikoresho mu buryo buzuzanya ahubwo bikabyara isano nshya. Aka gakomo kari kafite ubutumwa runaka. Ikusanyirizo Ryihariye rivuga ku gihe kirashira. Ibintu byose bizasenyuka ariko urabona kandi ibyo ibihe bya geologiya ku isi bishobora kubyara, ibuye rya boulder opal ryerekana ibyo. Ibikoresho bitandukanye biha ikintu ishingiro rifatanye bityo imbaraga z'igutekereza ntabwo zizakwibasirwa na gato.

Izina ry'umushinga : Private Collection, Izina ryabashushanya : Petra Boehler, Izina ry'abakiriya : Petra Boehler.

Ibishushanyo mbonera ni ibyamamare bizwi cyane bituma Isi yacu iba nziza hamwe nibishusho byabo byiza. Menya abashushanya ibyamamare nibikorwa byabo bishya, ibihangano byumwimerere, ubwubatsi bwo guhanga, imiterere yimyambarire idasanzwe hamwe nuburyo bwo gushushanya. Ishimire kandi ushishoze ibikorwa byumwimerere byabashushanyo batsindiye ibihembo, abahanzi, abubatsi, abashya nibirango kwisi yose. Shishikarizwa n'ibishushanyo mbonera.