| Bailongshan China | −8 ± 0.5 ‰ | −8.9 / −7.5 ‰ | 9 | disseminated tourmaline from the muscovite granite | Zhang et al. (2024), Tourmaline geochemical and boron isotopic compositions of the Bailon… |
| Bailongshan China | −6.9 ± 0.4 ‰ | −7.6 / −6.4 ‰ | 18 | barren pegmatite tourmaline, zone I with quartz, albite and tourmaline | Zhang et al. (2024), Tourmaline geochemical and boron isotopic compositions of the Bailon… |
| Bailongshan China | −6.9 ± 0.5 ‰ | −7.6 / −6 ‰ | 16 | barren pegmatite tourmaline, zone II with blocky albite, quartz and tourmaline | Zhang et al. (2024), Tourmaline geochemical and boron isotopic compositions of the Bailon… |
| Bailongshan China | −7.6 ± 0.3 ‰ | −8.2 / −7.3 ‰ | 7 | barren pegmatite tourmaline, zone III with medium to coarse quartz and tourmaline | Zhang et al. (2024), Tourmaline geochemical and boron isotopic compositions of the Bailon… |
| Bailongshan China | −7.5 ± 0.2 ‰ | −7.9 / −7.2 ‰ | 9 | barren pegmatite tourmaline, zone IV layered aplite | Zhang et al. (2024), Tourmaline geochemical and boron isotopic compositions of the Bailon… |
| Bailongshan China | −8 ± 0.4 ‰ | −8.7 / −7.2 ‰ | 18 | barren pegmatite tourmaline, zone V with quartz and muscovite | Zhang et al. (2024), Tourmaline geochemical and boron isotopic compositions of the Bailon… |
| Bailongshan China | −7 ± 0.8 ‰ | −8.8 / −5.2 ‰ | 32 | green tourmaline of the ore-bearing pegmatite, zone VI with quartz, albite and spodumene | Zhang et al. (2024), Tourmaline geochemical and boron isotopic compositions of the Bailon… |
| Bailongshan China | −8.1 ± 0.4 ‰ | −8.7 / −7.3 ‰ | 20 | pink tourmaline of the ore-bearing pegmatite, zone VII with quartz and spodumene | Zhang et al. (2024), Tourmaline geochemical and boron isotopic compositions of the Bailon… |
| Dakalasu (No. 1 pegmatite) China | −14.82 ± 0.14 ‰ | −15.05 / −14.55 ‰ | 8 | massive tourmaline of border zone I, at the contact with the granite porphyry (Tur BI) | Xia et al. (2025), Petrogenesis and evolution of internally zoned pegmatites: A tourmalin… |
| Dakalasu (No. 1 pegmatite) China | −15.66 ± 0.13 ‰ | −15.84 / −15.43 ‰ | 8 | fine-grained tourmaline of border zone II (Tur BII) | Xia et al. (2025), Petrogenesis and evolution of internally zoned pegmatites: A tourmalin… |
| Dakalasu (No. 1 pegmatite) China | −15.28 ± 0.24 ‰ | −15.54 / −14.86 ‰ | 8 | tourmaline of the intermediate zone, with beryl (Tur IM) | Xia et al. (2025), Petrogenesis and evolution of internally zoned pegmatites: A tourmalin… |
| Edanggang China | −12.63 ± 0.66 ‰ | −14.13 / −12.1 ‰ | 10 | fine tourmaline of tourmaline bands in pegmatites (Tur 2) | Zhou et al. (2026), In-situ Elemental and Boron Isotopic Geochemistry of Tourmalines from… |
| Edanggang China | −11.77 ± 0.62 ‰ | −12.3 / −10.4 ‰ | 12 | coarse tourmaline at pegmatite margins (Tur 1) | Zhou et al. (2026), In-situ Elemental and Boron Isotopic Geochemistry of Tourmalines from… |
| Jiajika (JSD-1 scientific drill hole) China | −8.15 ± 0.42 ‰ | −8.59 / −7.51 ‰ | 7 | granite tourmaline (core) | Huan et al. (2023), Boron isotopes in tourmaline from drill core of the Jiajika granitic … |
| Jiajika (JSD-1 scientific drill hole) China | −8.45 ± 0.41 ‰ | −9.49 / −7.06 ‰ | 27 | pegmatite tourmaline (core) | Huan et al. (2023), Boron isotopes in tourmaline from drill core of the Jiajika granitic … |
| Jiajika, No. X03 vein China | | −7.09 / −5.17 ‰ | 12 | tourmaline of two-mica quartz schist wallrock (Tur-I, dravite) | Qin et al. (2023), Geochemical Characteristics and Metallogenic Significance of the X03 V… |
| Jiajika, No. X03 vein China | | −7 / −4.93 ‰ | 13 | tourmaline of tourmaline hornfels (Tur-II, hydrothermal foitite) | Qin et al. (2023), Geochemical Characteristics and Metallogenic Significance of the X03 V… |
| Jiajika, No. X03 vein China | | −9.46 / −7.35 ‰ | 4 | tourmaline of tourmaline-bearing granite pegmatite (Tur-III, magmatic schorl) | Qin et al. (2023), Geochemical Characteristics and Metallogenic Significance of the X03 V… |
| Jiajika, No. X03 vein China | | −11.47 / −7.48 ‰ | 65 | tourmaline of spodumene-bearing granite pegmatite (Tur-IV, magmatic schorl) | Qin et al. (2023), Geochemical Characteristics and Metallogenic Significance of the X03 V… |
| Koktokay China | −13.53 ± 0.2 ‰ | −13.76 / −13.2 ‰ | 10 | tourmaline of tourmaline-mica nests in pegmatite no. 1 (Tur-N) | Bai et al. (2023), In-situ elemental and boron isotopic variations of tourmaline from the… |
| Koktokay China | −12.62 ± 0.22 ‰ | −12.93 / −12.29 ‰ | 10 | comb-textured tourmaline of the contact zone of pegmatite no. 1 (Tur-C1) | Bai et al. (2023), In-situ elemental and boron isotopic variations of tourmaline from the… |
| Koktokay China | −12.95 ± 0.26 ‰ | −13.21 / −12.51 ‰ | 10 | comb-textured tourmaline of the contact zone of pegmatite no. 2b (Tur-C2) | Bai et al. (2023), In-situ elemental and boron isotopic variations of tourmaline from the… |
| Koktokay China | −12.26 ± 0.6 ‰ | −13.16 / −11.63 ‰ | 5 | zoned comb-textured tourmaline of the contact zone of pegmatite no. 3 (Tur-C3) | Bai et al. (2023), In-situ elemental and boron isotopic variations of tourmaline from the… |
| Murong China | −7.8 ‰ | −8.9 / −6.5 ‰ | | tourmaline of the barren pegmatite, sample MR01 (BP-Tur) | Liu et al. (2026), Pegmatite evolution and mineralization: insights from tourmaline geoch… |
| Murong China | −7.5 ‰ | −7.9 / −7.1 ‰ | | tourmaline of the fertile pegmatite of vein No. 1, samples MR03 and MR04 (FP-Tur) | Liu et al. (2026), Pegmatite evolution and mineralization: insights from tourmaline geoch… |
| Murong China | −5.7 ‰ | −6.1 / −5.4 ‰ | | acicular tourmaline of the altered country rock around vein No. 1, sample MR02 (AC-Tur) | Liu et al. (2026), Pegmatite evolution and mineralization: insights from tourmaline geoch… |
| Shangbao (Nb-Ta) China | −16.48 ± 0.51 ‰ | −17.16 / −15.5 ‰ | 10 | disseminated tourmaline of the monzogranite (TD) | Zhao et al. (2021), In-situ boron isotopic and geochemical compositions of tourmaline fro… |
| Shangbao (Nb-Ta) China | −15.76 ± 0.53 ‰ | −16.62 / −14.93 ‰ | 10 | yellow core of tourmaline nodules (TNy) | Zhao et al. (2021), In-situ boron isotopic and geochemical compositions of tourmaline fro… |
| Shangbao (Nb-Ta) China | −15.37 ± 0.45 ‰ | −16.36 / −14.81 ‰ | 10 | blue rim of tourmaline nodules (TNb) | Zhao et al. (2021), In-situ boron isotopic and geochemical compositions of tourmaline fro… |
| Shangbao (Nb-Ta) China | −13.98 ± 0.4 ‰ | −14.6 / −13.46 ‰ | 10 | hydrothermal vein tourmaline (TV) | Zhao et al. (2021), In-situ boron isotopic and geochemical compositions of tourmaline fro… |
