Round blank for a small flat bead made of pyrophyllite (agalmatolite). A punching point is marked in the central part (for the future hole).
For grinding the blanks, abrasives were used. They were sandy bars. Such bars and their fragments were found on several Ushki sites.
An object with a sharp tip was used for punching (drill, flake, etc.)
Diameter - 8.5 mm
Ponkratova I.Yu., Gubar Yu.S., Lbova L.V. Spektralnyy analiz okrashennykh artefaktov sloya VII stoyanki Ushki V (poluostrov Kamchatka) // Universum Humanitarium. 2019. № 1. S. 56–71.
Ponkratova I.Yu. Etapy zaseleniya territorii u Bolshogo Ushkovskogo ozera na Kamchatke v kontse pleystotsena – golotsene // Arkheologiya. etnografiya i antropologiya Evrazii. 2020. T. 48. № 1. S. 41–51.