-
characteristic faces, well-formed.
Synonymous terms: idiomorphic, automorphic;
Subhedral: a
crystal partially bounded by its
characteristic faces and partially...
- Z = 3
Identification Color White with
possible brownish tint
Crystal habit Subhedral platey crystals, lamellar-fibrous,
rarely euhedral prismatic; commonly...
-
level of nine for two w****s.
Alforsite occurs as colorless,
minuscule subhedral grains with a
diameter less than 0.05 mm. However, on rare occasions,...
- 11.088 Å; β=94.25°; Z = 2
Identification Color undetermined Crystal habit subhedral Cleavage undetermined Fracture undetermined Tenacity undetermined Mohs...
-
Space group: Fm 3 5
Identification Color Dark grey,
black Crystal habit Subhedral to
anhedral grains Fracture Irregular Luster Metallic Streak Grey Diaphaneity...
- faces. An
intermediate texture with some
crystal face-formation is
termed subhedral (also
known as
hypidiomorphic or hypautomorphic).
Crystals that grow from...
-
Identification Color Black;
medium gray in
reflected light Crystal habit Subhedral or anhedral;
equant or platelike; up to 150 μm
Cleavage None Luster...
- 104.61
Color Grayish black,
light gray in
reflected light Crystal habit Subhedral crystals, as
inclusions in
sphalerite Twinning Occasionally twinned...
- Dark red,
sometimes with a
purple to
green iridescent tarnish Crystal habit Subhedral crystals and m****ive with a
platy texture Twinning Simple and polysynthetic...
-
Identification Color Off-white to pale
yellow or
light tan
Crystal habit Subhedral blocky Cleavage Imperfect cleavage in two directions,
parallel to (010)...
