Calcite: Icelandic Spar Specimen (Optical Calcite)
Calcite: Icelandic Spar Specimen (Optical Calcite) Calcite: Icelandic Spar Specimen (Optical Calcite) Calcite: Icelandic Spar Specimen (Optical Calcite) Calcite: Icelandic Spar Specimen (Optical Calcite) Calcite: Icelandic Spar Specimen (Optical Calcite) Calcite: Icelandic Spar Specimen (Optical Calcite) Calcite: Icelandic Spar Specimen (Optical Calcite) (closeup) Calcite: Icelandic Spar Specimen (Optical Calcite) WAS 2020: Box 9c – SC #60 NOW 2026: Box #37 – Various Specimens (Former Box 9c) 2.2 ounces 61.5 grams 307.5 carats Unknown acquisition source and date 2026-37-Various Specimens (Former Box 9c) 2026-37-60- 2026-37- Calcite: Icelandic Spar Specimen (Optical Calcite)