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Ivanyukite-Na,  	Na2[Ti4O2(OH)2(SiO4)3]•6H2O,  Koashva Mount, Khibiny Massif, Kola, Russian Federation. Brownish glassy crystals on matrix

Ivanyukite-Na, Na2[Ti4O2(OH)2(SiO4)3]•6H2O, Koashva Mount, Khibiny Massif, Kola, Russian Federation. Brownish glassy crystals on matrix

Molybdophyllite,  Pb8Mg9[Si10O30(OH)8(CO3)3]·H2O, Langban, Filipstad, Varmland, Sweden. Colorless tabular crystals associated with hausmannite

Molybdophyllite, Pb8Mg9[Si10O30(OH)8(CO3)3]·H2O, Langban, Filipstad, Varmland, Sweden. Colorless tabular crystals associated with hausmannite

Fluorcanasite, K3Na3Ca5Si12O30F4 · H2O, Kukisvumchorr Mountains, Khibiny Massif, Kola, Russian Federation. Pale-yellow crystals embedded in matrix. Type and only locality. Inosilicate probable

Fluorcanasite, K3Na3Ca5Si12O30F4 · H2O, Kukisvumchorr Mountains, Khibiny Massif, Kola, Russian Federation. Pale-yellow crystals embedded in matrix. Type and only locality. Inosilicate probable

Bementite, Mn7Si6O15(OH) 8, Gambatesa Mine, Genova Province, Liguria, Italy. Prismatic creamy nut-brown crystals reunited in radial aggregates associated with small ganophyllite balls. Phyllosilicate probable

Bementite, Mn7Si6O15(OH) 8, Gambatesa Mine, Genova Province, Liguria, Italy. Prismatic creamy nut-brown crystals reunited in radial aggregates associated with small ganophyllite balls. Phyllosilicate probable

Ilmajokite, (Na,Ce,Ba)2TiSi3O5(OH)10 · nH2O, Yubileinaya Pegmatite, Lovozero Massif, Kola, Russian Federation. Bright yellow sharp crystals of rare ilmajokite from the type and only locality. Associated with acicular crystals of raite

Ilmajokite, (Na,Ce,Ba)2TiSi3O5(OH)10 · nH2O, Yubileinaya Pegmatite, Lovozero Massif, Kola, Russian Federation. Bright yellow sharp crystals of rare ilmajokite from the type and only locality. Associated with acicular crystals of raite

Poldervaartite, CaCa[SiO3(OH)](OH),  Wessels Mine, North Cape Province, South Africa. A cluster of beige to orangish poldervaartite crystals,  2.5 × 1.9 × 1.5 cm. Nesosilicate probable

Poldervaartite, CaCa[SiO3(OH)](OH), Wessels Mine, North Cape Province, South Africa. A cluster of beige to orangish poldervaartite crystals, 2.5 × 1.9 × 1.5 cm. Nesosilicate probable

Perraultite,  	(Na,Ca)2(Ba,K)2(Mn++,Fe++)8(Ti,Nb)4Si8O32(OH,F,O)6,  Dmitrievka, Mariupol Massif, Donetsk Oblast', Ukraine. Red-brown crystals or crystal fragments in matrix. Sorosilicate probable

Perraultite, (Na,Ca)2(Ba,K)2(Mn++,Fe++)8(Ti,Nb)4Si8O32(OH,F,O)6, Dmitrievka, Mariupol Massif, Donetsk Oblast', Ukraine. Red-brown crystals or crystal fragments in matrix. Sorosilicate probable

Shafranovskite, (Na,K)6(Mn,Fe)3Si9O24 · 6H2O,  Rasvumtchorr, Khibiny, Kola, Russian Federation.  Yellowish-brown coatings of tiny shafranovskite crystals on matrix. Type locality. Phyllosilicate probable

Shafranovskite, (Na,K)6(Mn,Fe)3Si9O24 · 6H2O, Rasvumtchorr, Khibiny, Kola, Russian Federation. Yellowish-brown coatings of tiny shafranovskite crystals on matrix. Type locality. Phyllosilicate probable

Ivanyukite-K,  	K2[Ti4(OH)2O2(SiO4)3]•9H2O,  Koashva Mount, Khibiny Massif, Kola, Russian Federation. White cubic crystals

Ivanyukite-K, K2[Ti4(OH)2O2(SiO4)3]•9H2O, Koashva Mount, Khibiny Massif, Kola, Russian Federation. White cubic crystals

Ajoite, K3Cu2+20Al3Si29O76(OH)16·8H2O, New Cornelia mine, Ajo, Arizona, USA. Bed of pale greenish-blue bladed crystals associated with green conichalcite. Phyllosilicate probable

Ajoite, K3Cu2+20Al3Si29O76(OH)16·8H2O, New Cornelia mine, Ajo, Arizona, USA. Bed of pale greenish-blue bladed crystals associated with green conichalcite. Phyllosilicate probable

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