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1RN-K50HelvineBe3Mn2+4(SiO4)3S,Chlorite Group
Field of View: 4.2 mm
Very tiny yellow helvine xls with green chlorite on feldspar.
In Coll. M. Slama.
Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 14 Images using Zerene Stacker. (Dmap)
DRH-GAEBaveniteCa4Be2Al2Si9O26(OH)2,Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Field of View: 5 mm
Fibrous bavenite xls with minor green epidote on matrix.
In Coll. M. Slama.
Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 42 Images using Zerene Stacker. (Dmap)
TKM-RCCTiptopiteK2(Na,Ca)2Li3Be6(PO4)6(OH)2·H2O,RoscheriteCa2Mn2+5Be4(PO4)6(OH)4·6H2O
Field of View: 5 mm
colourless tiptopite xls, red roscherite xls and pearly white englishite.
In Coll. M. Slama.
Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 26 Images using Zerene Stacker. (Dmap)
YNC-QVEAgakhanovite-(Y)K◻2(YCa)Be3[Si12O30],MilariteK(◻H2O)Ca2(Be2Al)[Si12O30],AlbiteNa(AlSi3O8)
Largest Crystal Size: 7 mm
Agakhanovite-(Y) and milarite xl, the top terminations of thecrystals are Yttrium free milarite while the rim is an intermixture of Yttrium rich milarite and agakhanovite-(Y).
In Coll. M.Slama. (ex Collection Thomas Prögler)
Canon EOS 250D with Tamron SP AF 90mm 2,8 Di VC USD Macro, stacked from 34 Images using Zerene Stacker. (Dmap)
HT5-9G8Emerald (Var:Trapiche emerald)Be3Al2(Si6O18)
Largest Crystal Size: 57 mm
Outstanding specimen with a trapiche emerald cluster. The largest one is 57mm (!), the second large one is 23mm. On this specimen are 12 trapiche emralds.
This specimen is from a recent find (May 2025) at a new mine near Las Animas.
In Coll. M. Slama.
Canon EOS 250D with Tamron SP AF 90mm 2,8 Di VC USD Macro , stacked from 18 Images using Zerene Stacker (Dmap)
VHH-EY9VäyryneniteBeMn2+(PO4)(OH),TopazAl2(SiO4)(F,OH)2,TourmalineAD3G6(T6O18)(BO3)3X3Z
Dimensions: 38 mm x 26 mm
Very rare väyrynenite inclusion in topaz. On the specimen there are also some tiny green tourmaline xls present.
In Coll. M. Slama.
Canon EOS 250D with Tamron SP AF 90mm 2,8 Di VC USD Macro , stacked from 27 Images using Zerene Stacker (Pmax)
U8Y-R14ChrysoberylBeAl2O4
Dimensions: 8 mm x 7 mm x 5 mm
Bi-coloured chrysoberyl twin, the green part has a very weak colour change in artificial light.
In Coll. M. Slama.
Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 17 Images using Zerene Stacker (Dmap).
C2G-VDUBromelliteBeO,MagnesioferriteMgFe3+2O4,Berzeliite(NaCa2)Mg2(AsO4)3
Field of View: 3 mm
Slightly yellowish coloured bromellite xl with black magnesioferrite and yellow berzeliite.
In Coll. M. Slama.
Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 17 Images using Zerene Stacker (Dmap).
AHJ-NXXBeryl (Var:Aquamarine)Be3Al2Si6O18,TourmalineAD3G6(T6O18)(BO3)3X3Z
Largest Crystal Size: 4 mm
Small, but incredible deep blue beryl with a tiny dark brown tourmaline.
In Coll. M. Slama.
Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 41 Images using Zerene Stacker (Dmap).
F12-H6FHingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2,SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Field of View: 4.2 mm
Grey hingganite-(Y) with brown, platty synchisite xls.
In Coll. M. Slama.
Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 21 Images using Zerene Stacker. (Dmap)
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844.doi:10.2138/am-2024-9486.
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are© OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 byJolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844.doi:10.2138/am-2024-9486.
Privacy Policy -Terms & Conditions -Contact Us / DMCA issues -Report a bug/vulnerabilityCurrent server date and time: November 28, 2025 02:17:08