Inosilicates

Amphibole (pronunciation: /ˈæmfᵻboʊl/) is the name of an important group of generally dark-colored, inosilicate minerals, forming prism or needlelike crystals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their structures.

Aegirine is a member of the clinopyroxene group of inosilicates.

Aenigmatite, also known as Cossyrite after Cossyra, the ancient name of Pantelleria, is a sodium, iron, titanium inosilicate mineral.

Diopside is a monoclinic pyroxene mineral with composition MgCaSi2O6.

Actinolite is an amphibole silicate mineral with the chemical formula Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2.

Serandite is a mineral with formula Na(Mn2+,Ca)2Si3O8(OH).

Astrophyllite is a very rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral.

Larimar, also called "Stefilia's Stone", is a rare blue variety of the silicate mineral pectolite found only in the Dominican Republic, in the Caribbean.

Hornblende is a complex inosilicate series of minerals (ferrohornblende – magnesiohornblende).

Sapphirine is a rare mineral, a silicate of magnesium and aluminium with the chemical formula (Mg,Al)8(Al,Si)6O20 (with iron as a major impurity).

Spodumene is a pyroxene mineral consisting of lithium aluminium inosilicate, LiAl(SiO3)2, and is a source of lithium.

Babingtonite is a calcium iron manganese inosilicate mineral with the formula Ca2(Fe,Mn)FeSi5O14(OH).

Pyroxferroite (Fe2+,Ca)SiO3 is a single chain inosilicate.

Carpholite is a manganese silicate mineral with formula Mn2+Al2Si2O6(OH)4.

Lorenzenite is a rare sodium titanium silicate mineral with the formula Na2Ti2Si2O9 It is an orthorhombic mineral, variously found as colorless, grey, pinkish, or brown crystals.

Agrellite (NaCa2Si4O10F) is a mineral found in Quebec, Canada.

Yuksporite is a rare inosilicate mineral with double width, unbranched chains, and the complicated chemical formula K4(Ca,Na)14Sr2Mn(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3.

Bustamite is a calcium manganese inosilicate (chain silicate) and a member of the wollastonite group.

Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O) is a rare silicate mineral, first described in 1978 and named for the Chara River.

Prehnite is an inosilicate of calcium and aluminium with the formula: Ca2Al(AlSi3O10)(OH)2.

Enstatite is a mineral; the magnesium endmember of the pyroxene silicate mineral series enstatite (MgSiO3) - ferrosilite (FeSiO3).

Hypersthene is a common rock-forming inosilicate mineral belonging to the group of orthorhombic pyroxenes.

Fassaite is a variety of augite with a very low iron content, Ca(Mg,Fe,Al)(Si,Al)2O6.

Holmquistite is a lithium magnesium aluminium inosilicate mineral with chemical formula: Li2(Mg,Fe2+)3Al2Si8O22(OH)2.

Jimthompsonite is a magnesium iron silicate mineral with formula: (Mg,Fe2+)5Si6O16(OH)2.

Jonesite is a mineral with the chemical formula Ba4(K,Na)2[Ti4Al2Si10O36]*6H2O.

Aerinite (Ca4(Al,Fe,Mg)10Si12O35(OH)12CO3·12H2O) is a bluish-purple inosilicate mineral.

The mineral khmaralite is a beryllium bearing mineral of the sapphirine group with a chemical formula of (Mg,Al,Fe)16[(Al,Si,Be)12O36]O40.

Laplandite has a general formula of Na4CeTiPO4Si7O18•5H2O, and is found primarily in igneous rocks.

Nambulite is a lithium bearing manganese silicate mineral with formula: (Li,Na)Mn4Si5O14(OH).

Kuratite, named for Dr.

Zorite is a silicate mineral with the chemical formula of Na2Ti(Si,Al)3O9·nH2O.

Omphacite is a member of the pyroxene group of silicate minerals with formula: (Ca, Na)(Mg, Fe2+, Al)Si2O6.

Jennite is a calcium silicate hydrate mineral of general chemical formula: Ca9Si6O18(OH)6·8H2O.

Leucophanite is an inosilicate mineral with a complex composition, (Na,Ca)2BeSi2(O.OH.F)7.

The endmember hornblende tschermakite (☐Ca2(Mg3Al2)(Si6Al2)O22(OH)2) is a calcium rich monoclinic amphibole mineral.

Plancheite is a hydrated copper silicate mineral with the formula Cu8Si8O22(OH)4•(H2O).

Alamosite (Pb12Si12O36) is a colorless silicate mineral named after the place where it was discovered, Álamos, Sonora, Mexico.

Serendibite is an extremely rare mineral and gem that was first discovered in 1902 in Sri Lanka by Dunil Palitha Gunasekera and named after Serendib, the old Arabic name for Sri Lanka.

Kanoite is a light pinkish brown silicate mineral that is found in metamorphic rocks.

Shattuckite is a copper silicate hydroxide mineral with formula Cu5(SiO3)4(OH)2.

Brokenhillite (German: Brokenhillit Spanish: Brokenhillita) is an earth mineral that exists in small quantities.

Balangeroite is found in one of the most important chrysotile mines in Europe, the Balangero Serpentinite.

Chesterite ((Mg,Fe)17Si20O54(OH)6) is a rare silicate mineral that can be compared to amphiboles, micas, and jimthompsonite.

Dorrite is a silicate mineral that is isostructural to the aenigmatite group.

Eveslogite, ((Ca,K,Na,Sr,Ba)48[(Ti,Nb,Fe,Mn)12(OH)12Si48O144](F,OH,Cl)14), is a mineral found on Mt.

Frankamenite is the fluorine-dominate variation of the rare mineral canasite with a general formula of K3Na3Ca5(Si12O30)[F,(OH)]4·(H2O).

Xonotlite is a mineral with the chemical formula Ca6Si6O17(OH)2.

Tinaksite (K2Na(Ca,Mn2+)2Ti[O|Si7O18(OH)]) is a mineral found in northern Russia.

Tobermorite is a calcium silicate hydrate mineral with chemical formula: Ca5Si6O16(OH)2·4H2O or Ca5Si6(O,OH)18·5H2O.

Umbite (K2(Zr,Ti)Si3O9·H2O) is a potassium zirconosilicate mineral found in northern Russia.

Vanadiocarpholite (Mn+2V+3AlSi2O6(OH)4) is straw yellow to brown silicate mineral.

Vlasovite is a rare inosilicate (chain silicate) mineral with sodium and zirconium, with the chemical formula Na2ZrSi4O11.

Zircophyllite is a complex mineral, formula (K,Na)3(Mn,Fe)7(Zr,Ti,Nb)2Si8O24(OH,F)7.

Narsarsukite is a rare silicate mineral with chemical formula Na2(Ti,Fe3+)Si4(O,F)11 or Na4(Ti,Fe)4[Si8O20](O,OH,F)4.

The mineral zektzerite is a member of the tuhualite group and was first found in 1966 by Seattle mineralogist Benjamin Bartlett "Bart" Cannon.

Grunerite is a mineral of the amphibole group of minerals with formula Fe7Si8O22(OH)2.

Pectolite is a white to gray mineral, NaCa2Si3O8(OH), sodium calcium inosilicate hydroxide.

Wollastonite is a calcium inosilicate mineral (CaSiO3) that may contain small amounts of iron, magnesium, and manganese substituting for calcium.