Bright yellow, spheroidal crystals to 1 mm on
quartz
Light yellow acicular tufts to 1 mm
Piece of haiweeite with several bright yellow tufts of acicular yellow sprays
to 3 mm on
calcite and
fluorite
associated with glassy yellow
uranophane crystals to 1 mm.
Bright yellow radial sprays to 3 mm. Associations include yellow glassy
uranophane crystals to 1 mm,
fluorite
and
albite.
Origin: Teófilo Otoni, Minas Gerais,
Brazil
Sample size: 7 x 5 x 2 cm (top), 2 x 1 x 1 cm (2nd row), 4 x 3 x 2 cm (3rd
row), 5 x 4 x 3 cm (4th row), 6 x 6 x 4 cm (5th row), 5 x 3 x 3 cm (6th row),
6 x 4.5 x 3 cm (7th row), 3 x 2.5 x 2.5 cm (8th row), 6 x 5 x 3.5 cm (9th
row), 5 x 4.5 x 1 cm (10th row), 4.5 x 3.5 x 3 cm (bottom)
Faint to canary yellow "balls" to 0.3 mm composed of acicular radial sprays
associated with glassy, bladed sprays of
uranophane.
Origin: Valentine, Presidio Co., Texas, United States
Ex. DeVito Collection
Sample size: 3 x 2.5 x 1.5 cm