Mineralogy Database

Nickel-Strunz Borates Classification

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Minerals Arranged by Nickel-Strunz (Version 10) Classification

The Nickel-Strunz 10th Edition (Pending Publication) Mineralogical Tables by Hugo Strunz and Ernest H. Nickel is based on a digital copy obtained from Jim Ferraiolo. Jim is responsible for the Strunz Classification in Mindat.org and he has generously provided webmineral with an updated copy of the classification numbers. Follow this link for a short discussion on the Nickel-Strunz Classification Number.

Note: Space Group in Red   Point Group in Green.
* - Not IMA Approved.

! - Dana Number Added or Changed.

? - IMA Discredited Mineral Name.

Nickel-Strunz Borates Classification


06.D Tetraborates

06.DA Neso-tetraborates

06.DA.10 Borax Na2B4O5(OH)4•8(H2O) A2/a 2/m
06.DA.15 Tincalconite Na6[B4O5(OH)4]3•8(H2O) R 32 3 2
06.DA.20 Hungchaoite MgB4O5(OH)4•7(H2O) P1 1
06.DA.25 Fedorovskite Ca2(Mg,Mn)2B4O7(OH)6 Pbam 2/m 2/m 2/m
06.DA.25 Roweite Ca2Mn++2B4O7(OH)6 Pbam 2/m 2/m 2/m
06.DA.30 Hydrochlorborite Ca2B4O4(OH)7Cl•7(H2O) I2/a 2/m
06.DA.35 Uralborite CaB2O2(OH)4 P 21/n 2/m
06.DA.40 Numanoite! Ca4CuB4O6(OH)6(CO3)2 C 2/m 2/m
06.DA.40 Borcarite Ca4MgB4O6(OH)6(CO3)2 C 2/m 2/m

06.DB Ino-tetraborates

06.DB.05 Kernite Na2B4O6(OH)2•3(H2O) P 21/c 2/m

06.DD Tekto-tetraborates

06.DD.05 Diomignite Li2B4O7 I 41cd 4mm