| Filed | Description | |
|---|---|---|
| 3/9/26 | 2.03 New Debt Obligation | → |
| 3/28/25 | 1.01 Material Agreement | → |
| 3/5/25 | 1.012.03 Material Agreement · New Debt Obligation | → |
| 9/19/24 | 1.01 Material Agreement | → |
| 3/28/24 | 1.01 Material Agreement | → |
| 3/11/24 | 1.012.03 Material Agreement · New Debt Obligation | → |
| ↓ 18 more | ||
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%. Due to the amorphous (chemical) physical structure, it is classified as a mineraloid, unlike crystalline forms of silica, which are considered minerals.