| Sample | MP-BL-009 |
| Plastic Type | Unidentified |
| Pigment | Pigment Blue 63 (PB63) |
| Color | Blue |
| Source | Karst Spring – Albioara, Apuseni Mountains, Romania |
| Microscopic image(s) |  |
| Microplastic shape | Fiber |
| Spectral Data type | Raman |
| Raman spectrum acquisition parameters | Laser wavelength: 532 nm Laser Power: 10 mW Exposure time: 5 s Objective magnification: 20X (NA 0.35) Spectrum range: 800-1800 cm-1 |
