mineraloid
51Oregonite — Oregonite, Ni2FeAs2 is a nickel iron arsenide mineral first described from Josephine Creek, Oregon, USA. Oregonite crystallises in the hexagonal crystal system and has a Mohs hardness of 5. Occurrence Oregonite is known, apart from its type… …
52List of minerals named after people — This is a list of minerals named after people. The chemical composition follows name when available.: For other lists of eponyms (names derived from people) see Lists of etymologies. : For a list of eponyms sorted by name see List of… …
53Malaia garnet — General Category Varietal name Chemical formula (Mg,Mn)3Al2(SiO4)3 [1] Iden …
54Moonstone (gemstone) — Moonstone General Category Feldspar variety Identification …
55Ordóñezite — General Category Antimonate mineral Chemical formula ZnSb2O6 Strunz classification 04.DB.10 Crystal symmetry …
56Opalite — is a trade name for synthetic opalised glass and various opal simulants.[1][2] It is also used to promote impure varieties of variously colored common opal.[1] References ^ a …
57Meyerhofferite — Meyerhofferite, probably from Death Valley, California General Category Nesoborates Chemical formula …
58Nobleite — Nobleite, Death Valley, California General Category Phylloborates Chemical fo …
59Brownleeite — General Category Native element class, Fersilicite group Chemical formula MnSi Strunz classification 01.XX.00 Dana classification …
60Moschellandsbergite — General Category Metals and intermetallic alloys Chemical formula silver am …
