I Can't Sleep Podcast Episode 96: Opal
Fall Asleep Learning About Opals
In this episode of the I Can't Sleep Podcast, fall asleep learning about opals. You're probably thinking I'm going to read to you about gems and the like, but let's be honest: an opal is a rock. Yep, you're falling asleep learning about rocks! Happy sleeping.
“Opal is a hydrated amorphous form of silica (SiO2·nH2O); its water content may range from 3 to 21% by weight, but is usually between 6 and 10%.”