was reported from the Clay Canyon variscite locality by Frondel et al.
In 1977 he reopened the now-famous Sweet Home mine in Alma, Colorado to mine specimen rhodochrosite, hubnerite, fluorite, svanbergite and goyazite crystals.
Kosnar assembled an extensive suite of some of the finest kosnarite specimens and also specimens of associated jahnsite, goyazite, quartz, albite and lepidolite.
Hematite Malachite Molybdenite Monazite Muscovite Opal variety hyalite Plumbogummite Pyrite Quartz Rutile Scheelite Schorl Scorodite Titanite Topaz Table 5.
Associated minerals are: goyazite
, "apatite," siderite, quartz, calcite, marcasite, pyrrhotite and pyrite.
Other minerals encountered at Brumado include: talc, goyazite
, svanbergite, chernotive-(Y), wakefieldite-(Y), florencite-(Ce), anhydrite, celestite, barite and numerous other species.
Kosnar purchased back many Sweet Home specimens from high-graders, including 1-cm tetrahedrite crystals, ruby-red hubnerite crystals, twinned stromeyerite, and good crystals of goyazite
, svanbergite and fluorite (Bancroft, 1984).
was first reported from the Sweet Home mine by Kosnar (1979b).
Among the more unusual minerals they found was a bonanza of goyazite
crystals (2-4 mm) with steep rhombohedral form, a habit nearly unique to Greenwood.
These crystals were originally thought to be the related species goyazite
, but chemical analysis has refined the identification to florencite-(Ce).
was observed on a single specimen as microscopic, pale, yellowish tan crystals as much as 1 mm in size, interstitial to small, prismatic quartz crystals.