hackly
21Tennantite — Infobox mineral name = Tennantite category = Mineral: sulfosalt boxwidth = boxbgcolor = imagesize = caption = A sample of tennantite formula = Cu12As4S13 molweight = 1,471.40 gm color = Steel gray to iron gray habit = massive to well formed… …
22Sard — is a reddish brown chalcedony, SiO2, much used by the ancients as a gemstone. Pliny the Elder states that it was named from Sardis, in Lydia, where it was first discovered; but the name probably came with the stone from Persia (Pers. sered,… …
23Native copper — Copper Native copper from Ray mine, Arizona (specimen 5.25 x 4 x 1 cm) General Category Native metal C …
24Nagyagite — from Nagyag (Săcărâmb), Romania (image width: 1.5 mm) General Category Sulfosalt mineral Chemica …
25Borate minerals — ▪ Table Borate minerals name colour lustre Mohs hardness specific gravity boracite colourless or white vitreous 7–7½ 2.9–3.0 borax colourless to white; grayish, bluish, greenish vitreous to resinous 2–2½ 1.7 colemanite colourless; white,… …
26Changbaiite — General Category Oxide minerals Chemical formula PbNb2O6 Strunz classification 04.DF.10 …
27Hackley — Recorded as Hackley, Hackly, Hakely, Hockley, Hockly and possibly others, this is an English locational surname. It originates either from one of the places called Hockley in the counties of Essex, Warwickshire, Cheshire and Staffordshire, or… …
28занозистый излом — — [Англо русский геммологический словарь. Красноярск, КрасБерри. 2007.] Тематики геммология и ювелирное производство EN hackly fracture …
