Science

Childrenite is a rare hydrated phosphate mineral with elements iron, manganese, aluminum, phosphorus, oxygen, and hydrogen. It is a classic secondary mineral that was first…

Laws of Indices: Indices are a useful way of more simply expressing large numbers. They also present us with many useful properties for manipulating them…

Chibaite is a rare silicate mineral. It is a silica clathrate with formula SiO2·n(CH4, C2H6, C3H8,i-C4H10) (n = 3/17 (max)). It is a silica mineral…

Chesterite [(Mg, Fe)17Si20O54(OH)6] is a rare silicate mineral that can be compared to amphiboles, micas, and jimthompsonite. It is a basic inosilicate of magnesium and…

Chatkalite is a copper, iron, tin sulfide mineral with formula Cu6Fe2+Sn6S8. It is a tetragonal-scalenohedral pale rose mineral containing copper, iron, sulfur, and tin. It…

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

Charlesite is a sulfate mineral of the ettringite group. It is a trigonal-ditrigonal pyramidal mineral containing aluminum, boron, calcium, hydrogen, oxygen, silicon, and sulfur. This…

Chapmanite is a rare silicate mineral belonging to the nesosilicate group, discovered in 1924, and named in honor of the late Edward John Chapman (1821–1904),…

Chaoite, or white carbon, is a mineral described as an allotrope of carbon whose existence is disputed. It is a supposed allotrope of carbon whose…

Changbaiite (Formula- PbNb2O) is a member of the oxide mineral class in which the mineral contains oxygen which is grouped along with one or two…

Chamosite is the Fe2+ end member of the chlorite group. It is a greenish grey or black silicate of iron and aluminum. A hydrous aluminum…

Infinite Series The power series Σxn. Binomial series (1 + x)n (n ≠ positive integer), exponential and logarithmic series with ranges of validity (statement only).…