Glass beads taa wɔ hardness rating a ɛyɛ 6-7. Wɔde nneɛma a ɛkorɔn-ayɛ ahwehwɛ a ɛma hann a ɛdannan wɔ kwan so a wɔtɔn wɔ yɛn sotɔɔ mu no, a ɛwɔ ahwehwɛ fitaa a ɛyɛ kurukuruwa a ɛyɛ den na ɛyɛ den. Wɔde ahoɔden a wɔde mia a ɛkɔ soro kodu digrii F 3300 ne ogya a ɛko tia digrii 800 ma, na ɛma wotumi yɛ adwuma yiye wɔ mmeae ahorow. Ɛnyɛ sɛ saa ahwehwɛ nhwiren yi yɛ den sɛnea ɛsɛ nko, na mmom ɛyɛ nnuru a asiane nnim nso, na ɛma ɛyɛ nea ahobammɔ wom na wotumi de ho to so.
