geyserite
N แร่ ซิลิกา
GEYSERITE
Gey "ser *ite, n. Etym: [From Geyser. ] (Min. )
gey ser ite |ˈgīzəˌrīt ˈɡaɪzəraɪt | ▶noun a hard opaline siliceous deposit occurring around geysers and hot springs. ORIGIN early 19th cent.: from geyser + -ite 1 .
gey ¦ser |ite |ˈgiːzərʌɪt, ˈgʌɪ -| ▶noun [ mass noun ] a hard opaline siliceous deposit occurring around geysers and hot springs. ORIGIN early 19th cent.: from geyser + -ite 1 .