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Acicular may
refer to In botany: a
slender leaf
shape In mineralogy:
Acicular (crystal habit)
refers to a needle-like
crystal form
Acicular ferrite, a...
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Acicular, in mineralogy,
refers to a
crystal habit composed of slender, needle-like crystals.
Crystals with this
habit tend to be fragile. Complete, undamaged...
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Acicular ferrite is a
microstructure of
ferrite in
steel that is
characterised by needle-shaped
crystallites or
grains when
viewed in two dimensions. The...
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chemical precipitation.
Individual crystals are rare, but
occur as
slender to
acicular prisms.
Pseudomorphs after more
tabular or
blocky azurite crystals also...
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deposits and the
precipitated ulexite commonly forms a "cotton ball" tuft of
acicular crystals.
Ulexite is
frequently found ****ociated with colemanite, borax...
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resulting in a
different crystal shape, an
orthorhombic crystal system with
acicular crystal.
Repeated twinning results in pseudo-hexagonal forms. Aragonite...
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Rutilated quartz is a
variety of
quartz which contains acicular (needle-like)
inclusions of rutile. It is used for gemstones.
These inclusions mostly look...
- show a
variety of habits, but the most
common are tabular, prismatic, or
acicular (columnar) crystals,
often with no
imperfections or inclusions. Twinned...
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stone or needle-zeolite are
other informal names,
alluding to the
common acicular habit of the crystals,
which are
often very
slender and are aggregated...
- and
nitrate seep into the openings. It
occasionally occurs as
prismatic acicular crystal groups, and
individual crystals commonly show
pseudohexagonal twinning...
