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Chiolite is a tetragonal-ditetragonal
dipyramidal mineral,
composed of sodium, fluorine, and aluminium. The name
originates from the
combination of the...
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opaque copper-red
mineral crystallizing in the
hexagonal -
dihexagonal dipyramidal crystal system. It is
typically m****ive to
reniform in habit, but is...
- with
formula Cu5(SiO3)4(OH)2. It
crystallizes in the
orthorhombic –
dipyramidal crystal system and
usually occurs in a
granular m****ive form and also...
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monohydrate (prismatic
monoclinic crystals) or
calcium carbonate as
aragonite (
dipyramidal orthorhombic crystals),
found in more than 200
families of plants. Both...
- It is
dimorphous with diaspore. It
crystallizes in the
orthorhombic dipyramidal system and is
typically m****ive in habit. It is
white with
tints of yellow...
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Prismatine is an orthorhombic-
dipyramidal mineral containing aluminium, boron, fluorine, hydrogen, iron, magnesium, oxygen, and silicon. It
forms a solid...
- as (Y,Fe3+,U)(Nb,Ta)O4.
Samarskite crystallizes in the
orthorhombic –
dipyramidal class as
black to
yellowish brown stubby prisms although it is typically...
- {\displaystyle \mathbb {V} =\mathbb {Z} _{2}\times \mathbb {Z} _{2}} rhombic-
dipyramidal D2h (Vh)
centrosymmetric 8 V × Z 2 {\displaystyle \mathbb {V} \times...
-
because the
crystals are
stretched along an axis
compared to
other dipyramidal ones.
Another name
commonly in use for
anatase is octahedrite, which...
- Fe2+)4(Al,Fe3+)6(SiO4,BO4)5(O,OH)2. It
crystallizes in the
orthorhombic –
dipyramidal crystal system as brown, green,
yellow to
colorless slender tourmaline...
