- Z = 4
Identification Color Steel-gray, iron-gray,
black Crystal habit Lathlike crystals, curved, scaly, dendritic;
commonly pulverulent, earthy, m****ive...
- or pale
yellow or brown;
colourless in
transmitted light.
Crystal habit Lathlike or
bladed crystals uncommon, in fibrous, stalactitic, reniform, pisolitic...
-
Formula m**** 489.01 gram/mol
Color Pale
creamy yellow Crystal habit As
lathlike to
platy grains, in
microcrystalline aggregates seams and crusts. Mohs...
-
spongy banded and
reniform (kidney-shaped)
aggregates composed of
minute lathlike crystals. The
crystals are
flattened parallel to the
plane containing the...
- Pale blue, greenish-blue; pale blue in
transmitted light.
Crystal habit Lathlike crystals, flattened,
elongated or equant; pseudo-orthorhombic Twinning...
-
lining of a
large cavity in the
Brownley Hill vein. The
aggregates of blue
lathlike crystals reach about 2 mm and
appear to have been
produced by post-mining...
-
carbonate (UO2CO3). It
crystallizes in the
orthorhombic system in
translucent lathlike, elongated,
commonly radiating in fibrous, and in pulverulent,
earthy to...
-
Parsonsite contains about 45% lead and 25% uranium. It
forms elongated lathlike pseudo monoclinic crystals,
radial spherulites,
encrustations and powdery...
- = 107.01°; Z = 4
Identification Color Colorless to
white Crystal habit Lathlike or
subhedral rounded grains in
polycrystalline aggregates rimmed by melilite...
-
Vandenbrandeite grows in microcrystals, up to half a millimeter. It may be rounded,
lathlike. The
crystals are
flattened on {001}. It
grows in
parallel aggregates,...
