- C****iterite is a tin
oxide mineral, SnO2. It is
generally opaque, but it is
translucent in thin crystals. Its
luster and
multiple crystal faces produce...
- Selenite,
satin spar,
desert rose, and
gypsum flower are
crystal habit varieties of the
mineral gypsum. All
varieties of gypsum,
including selenite and...
-
Occurs frequently disseminated and
imbedded with
green Pyroxene in
Tabular spar,
sometimes it
forms considerable veins in that mineral.
Colour in m****...
- have been used for baryte,
including barytine, barytite, barytes,
heavy spar, tiff, and
blanc fixe.
Baryte occurs in many
depositional environments, and...
- reddish-white, brownish-white;
colourless in
transmitted light Crystal habit Tabular crystals,
often with
curved faces, also columnar, stalactitic, granular...
- most
common cleavage plane).
Habits include acute to
obtuse rhombohedra,
tabular habits, prisms, or
various scalenohedra.
Calcite exhibits several twinning...
-
habit Can be
anhedral or euhedral.
Grains are
commonly elongate with a
tabular appearance.
Twinning Typically displays Carlsbad twinning.
Baveno and manebach...
-
Azurite or
Azure spar: 14 is a soft, deep-blue
copper mineral produced by
weathering of
copper ore deposits.
During the
early 19th century, it was also...
- Gr****
words χρυσός
chrysos and βήρυλλος beryllos,
meaning "a gold-white
spar".
Despite the
similarity of
their names,
chrysoberyl and
beryl are two completely...
-
crystalline m****es or m****ive
crystalline aggregates;
crystals of
tabular and
tabular-prismatic
types are much less common.
Complex polysynthetic twinning...
