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Euhedral and
anhedral are
terms used to
describe opposite properties in the
formation of crystals.
Euhedral (also
known as
idiomorphic or automorphic)...
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other in nature. The
crystals are
naturally hexagonal, but may also be
euhedral or orthorhombic. They also may have no
crystalline structure, but usually...
- the
characteristic macroscopic shape is
often present and easy to see.
Euhedral crystals are
those that have obvious, well-formed flat faces. Anhedral...
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under different conditions from
cubic carbon.
Diamonds occur most
often as
euhedral or
rounded octahedra and
twinned octahedra known as macles. As diamond's...
-
forms sprays of
bladed crystals, but is less
commonly found as
distinct euhedral (well-shaped) crystals,
which are
particularly prized by collectors. It...
- of
crystals which are
formed in an open
space environment and
exhibit euhedral crystal form
determined by
their internal crystal structure. A cluster...
- and
sharp faces easy to recognise. Well
crystallised pyrite crystals are
euhedral (i.e., with nice faces).
Pyrite can
often be
distinguished by the striations...
-
important to
describe the
quality of the
shape of a
mineral specimen:
Euhedral: a
crystal that is
completely bounded by its
characteristic faces, well-formed...
- tanzanite. It has a
vitreous luster and a
conchoidal to
uneven fracture. When
euhedral,
zoisite crystals are
striated parallel to the prin****l axis (c-axis)...
-
perched on it
Feldspar and moonstone, from Sonora,
Mexico A
cluster of
euhedral feldspar crystals with a
schorl crystal First X-ray view of
Martian soil—feldspar...
