| Cairncrossite | Sr₂Ca₇(Si₄O₁₀)₄(OH)₂·15H₂O | Triclinic | — | — |
| Colinowensite | BaCuSi₂O₆ | Tetragonal | — | — |
| Cyprine | Ca₁₉Cu²⁺(Al₁₀Mg₂)Si₁₈O₆₈(OH)₁₀ | Tetragonal | — | — |
| Diegogattaite | Na₂CaCu₂Si₈O₂₀·H₂O | Monoclinic | — | — |
| Effenbergerite | BaCuSi₄O₁₀ | Tetragonal | — | — |
| Hennomartinite | SrMn³⁺₂(Si₂O₇)(OH)₂ * H₂O | Orthorhombic | — | — |
| Holtstamite | Ca₃(Al,Mn³⁺)₂(SiO₄)₂(OH)₄ | Tetragonal | 6.0 | — |
| Hydroxymcglassonite-(K) | KSr₄Si₈O₂₀(OH)(H₂O)₈ | Tetragonal | — | — |
| Lavinskyite | K(LiCu)Cu₆(Si₄O₁₁)₂(OH)₄ | Orthorhombic | 5.0 | — |
| Manganvesuvianite | Ca₁₉Mn³⁺(Al,Mn³⁺,Fe³⁺)₁₀(Mg,Mn²⁺)₂(Si₂O₇)₄(SiO₄)₁₀O(OH)₉ | Tetragonal | — | 3.40 g/cm³ |
| Meieranite | Na₂Sr₃MgSi₆O₁₇ | Orthorhombic | — | — |
| Orlymanite | Ca₄Mn²⁺₃Si₈O₂₀(OH)₆·2H₂O | Hexagonal | — | — |
| Poldervaartite | CaCa[SiO₃(OH)](OH) | — | — | — |
| Potassic-mangani-leakeite | KNa₂(Mg₂Mn³⁺₂Li)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Schizolite | NaCaMnSi₃O₈(OH) | Triclinic | — | — |
| Scottyite | BaCu₂Si₂O₇ | Orthorhombic | — | — |
| Tweddillite | CaSr(Mn³⁺₂Al)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Vonbezingite | Ca₆Cu₃(SO₄)₃(OH)₁₂ * 2H₂O | Monoclinic | 4.0 | — |
| Wesselsite | SrCuSi₄O₁₀ | Tetragonal | — | — |
| Yuzuxiangite | Sr₃Fe³⁺(Si₂O₆)₂(OH)·3H₂O | Monoclinic | — | — |