n.
瑪瑙, 5.5點鉛字
A fine-grained, fibrous variety of chalcedony with colored bands or irregular clouding.
瑪瑙：顆粒均勻的纖維狀玉髓的多種形式，具有彩色的條帶或者不規則的雲狀花紋
carnelian
n.
[礦物]紅玉髓, 瑪瑙
n.（名詞）
A pale to deep red or reddish-brown variety of clear chalcedony, used in jewelry.
光玉髓，紅玉髓：明凈的玉髓的壹種淺色至深紅或紅棕色的變體，用於制珠寶