diaphaneity
51Chalcopyrite — Twinned chacopyrite crystal from the Camp Bird Mine, Ouray County, Colorado (size:5.2 x 3.6 x 2.7 cm) General Category Sulfide mineral …
52Sphalerite — Zincblende redirects here. For crystal structure, see Zincblende (crystal structure). Sphalerite Sphalerite on dolomite from the Tri State District, Jasper County, Missouri, USA General …
53Euxenite — Infobox mineral name = Euxenite category = Oxide mineral boxwidth = boxbgcolor = imagesize = caption = Euxenite from Norway, around 11 cm of size formula = (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 color = Black, brownish black,greenish black habit = Massive,… …
54Actinolite — For the community in Canada, see Actinolite, Ontario. Actinolite Actinolite crystal from Portugal General Category …
55Andalusite — Infobox mineral name = Andalusite category = mineral boxwidth = boxbgcolor = imagesize = caption = Dark, rod like andalusite crystals in a light green cordierite schist matrix (writing pen shows size). formula = Al2SiO5Gemological Institute of… …
56Lepidolite — Infobox mineral name = Lepidolite category = Silicate mineral boxwidth = boxbgcolor = imagesize = caption = Crystal of lepidolite, Brazil formula = KLi2Al(Al,Si)3O10(F,OH)2 molweight = color = Pink, purple, rose red, violet gray,yellowish, white …
57Spodumene — Kunzite redirects here. For the Sailor Moon character, see Shitennou. Infobox mineral name = Spodumene category = boxwidth = boxbgcolor = caption = An almost colorless kunzite crystal (upper left), a cut pale pink kunzite (upper right) and a… …
58Petalite — Infobox mineral name = Petalite category = boxwidth = boxbgcolor = imagesize = caption = formula = lithium aluminium tectosilicate mineral LiAlSi4O10 molweight = color = colorless, grey, yellow, yellow grey, to white habit = tabular prismatic… …
59Anorthite — Infobox mineral name = Anorthite category = Feldspar mineral boxwidth = boxbgcolor = imagesize = caption = Anorthite from Japan formula = CaAl2Si2O8 molweight = color = White, grayish, reddish habit = Anhedral to subhedral granular system =… …
60Monazite — General Category Phosphate minerals Chemical formula (Ce,La)PO …