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Date Name Thumbnail Size Description
10:48, 28 June 2013 Mitscherlichite crystals.jpg (file) 307 KB {{Information |Description ={{en|1=Synthetic mitscherlichite crystals (K,NH<sub>4</sub>)<sub>2</sub>CuCl<sub>4</sub>.2H<sub>2</sub>O grown from aqueous solution. Photo taken under microscope. The millimeter paper shows the size scale.}} |Source ...
13:44, 27 June 2013 NH4-Mitscherlichite.jpg (file) 549 KB {{Information |Description ={{en|1=Synthetic mitscherlichite (NH<sub>4</sub>)<sub>2</sub>CuCl<sub>4</sub>.2H<sub>2</sub>O grown from aqueous solution. Size scale: The largest dimension of the crystal on the left is 8mm.}} |Source ={{own}} |A...
12:17, 27 February 2012 Stereogram square pyramid 4mm.png (file) 17 KB {{Information |Description ={{en|1=Stereographic projection of a square pyramid with its 4mm point group. The mirror planes are represented in blue, the rotation axes in red. The face poles are marked by the black crosses and circles.}} {{fr|1=Proje...
12:14, 27 February 2012 Stereogram cube m-3m.png (file) 49 KB transparent background
13:19, 26 February 2012 Group-subgroup relationship (3D).png (file) 88 KB reflection operations in italic
11:09, 26 February 2012 Group-subgroup relationship (2D).png (file) 15 KB correction, of course m isn't a subgroup of 6...
21:25, 23 February 2012 Stereogram cuboctahedron m-3m.png (file) 53 KB {{Information |Description ={{en|1=Stereographic projection of a cuboctahedron with its m{{overline|3}}m point group. The mirror planes are represented in blue, the rotation axes in red. The face poles are marked by the black crosses and circles.}} ...
21:12, 23 February 2012 Stereogram octahedron m-3m.png (file) 49 KB {{Information |Description ={{en|1=Stereographic projection of an octahedron with its m{{overline|3}}m point group. The mirror planes are represented in blue, the rotation axes in red. The face poles are marked by the black crosses and circles.}} {{...
10:12, 23 February 2012 Octahedron on triangular face.svg (file) 4 KB {{Information |Description ={{en|1=Octahedron lying on a triangular face.}} {{fr|1=Octaèdre reposant sur une face triangulaire.}} {{de|1=Oktaeder auf einer dreieckigen Fläche.}} |Source ={{own}} |Author =Perditax ...
09:13, 22 February 2012 M point group (2D).png (file) 11 KB {{Information |Description ={{en|1=Stereographic representation of the two-dimensional symmetry point group ''m''. The thin black ticks show the direction of the crystallographic axes a and b. The b axis is chosen in the horizontal direction.}} {{fr|1=
09:03, 22 February 2012 1 point group (2D).png (file) 12 KB {{Information |Description ={{en|1=Stereographic representation of the two-dimensional symmetry point group -1. The thin black ticks show the direction of the crystallographic axes a and b. The b axis is chosen in the horizontal direction.}} {{fr|1=Rep
14:51, 20 February 2012 Stereogram tetrahedron -43m.png (file) 39 KB mistake corrected
14:48, 20 February 2012 -43m point group.png (file) 36 KB mistake corrected
09:19, 1 February 2012 Paracelsian structure 100.png (file) 398 KB {{Information |Description ={{en|1=Crystal structure of paracelsian Ba[Al<sub>2</sub>Si<sub>2</sub>O<sub>8</sub>], monoclinic space group P2<sub>1</sub>/a with strong orthorhombic pseudo-symmetry, projected onto the ('''b''','''c''') plane. Data source
09:18, 1 February 2012 Paracelsian structure 010.png (file) 417 KB {{Information |Description ={{en|1=Crystal structure of paracelsian Ba[Al<sub>2</sub>Si<sub>2</sub>O<sub>8</sub>], monoclinic space group P2<sub>1</sub>/a with strong orthorhombic pseudo-symmetry, projected onto the ('''a''','''c''') plane. Data source
09:16, 1 February 2012 Paracelsian structure 001.png (file) 276 KB {{Information |Description ={{en|1=Crystal structure of paracelsian Ba[Al<sub>2</sub>Si<sub>2</sub>O<sub>8</sub>], monoclinic space group P2<sub>1</sub>/a with strong orthorhombic pseudo-symmetry, projected onto the ('''a''','''b''') plane. Data source
09:45, 27 January 2012 Ag3VO4 gamma crystal structure.png (file) 382 KB {{Information |Description ={{en|1=Crystal structure of Ag<sub>3</sub>VO<sub>4</sub>-gamma at 703K, space group Fm-3m (#225), viewed along the [110] direction. Data source: R.E. Dinnebier, A. Kowalevsky, H. Reichert, M. Jansen (2007) "Polymorphism of A
09:41, 27 January 2012 Ag3VO4 beta crystal structure.png (file) 204 KB {{Information |Description ={{en|1=Crystal structure of Ag<sub>3</sub>VO<sub>4</sub>-beta at 423K, space group I4-2m (#121). Data source: R.E. Dinnebier, A. Kowalevsky, H. Reichert, M. Jansen (2007) "Polymorphism of Ag<sub>3</sub>VO<sub>4</sub>", ''Zei
09:38, 27 January 2012 Ag3VO4 alpha crystal structure.png (file) 211 KB {{Information |Description ={{en|1=Crystal structure of Ag<sub>3</sub>VO<sub>4</sub>-alpha at room temperature, space group C2/c (#15). Data source: R.E. Dinnebier, A. Kowalevsky, H. Reichert, M. Jansen (2007) "Polymorphism of Ag<sub>3</sub>VO<sub>4</s
21:12, 25 January 2012 Inversion center.svg (file) 2 KB {{Information |Description ={{en|1=Crystallographic symbol for an inversion center (called "center of point reflection" in mathematics).}} |Source ={{own}} |Author =Perditax |Date =2012-01-25 |Permission
21:02, 25 January 2012 6-fold inversion axis.svg (file) 3 KB The contour lines were too thin
21:01, 25 January 2012 4-fold inversion axis.svg (file) 4 KB The contour lines were too thin
19:59, 25 January 2012 3-fold inversion axis.svg (file) 3 KB {{Information |Description ={{en|1=Crystallographic symbol for a 3-fold inversion axis.}} |Source ={{own}} |Author =Perditax |Date =2012-01-25 |Permission = |other_versions = }} {{inkscape}} [[Category:Cr
19:36, 25 January 2012 6-fold rotation axis.svg (file) 2 KB {{Information |Description ={{en|1=Crystallographic symbol for a 6-fold rotation axis.}} |Source ={{own}} |Author =Perditax |Date =2012-01-25 |Permission = |other_versions = }} {{inkscape}} [[Category:Rot
19:30, 25 January 2012 4-fold rotation axis.svg (file) 2 KB {{Information |Description ={{en|1=Crystallographic symbol for a 4-fold rotation axis.}} |Source ={{own}} |Author =Perditax |Date =2012-01-25 |Permission = |other_versions = }} {{inkscape}} [[Category:Rot
19:24, 25 January 2012 3-fold rotation axis.svg (file) 2 KB {{Information |Description ={{en|1=Crystallographic symbol for a 3-fold rotation axis.}} |Source ={{own}} |Author =Perditax |Date =2012-01-25 |Permission = |other_versions = }} {{inkscape}} [[Category:Rot
18:55, 25 January 2012 2-fold rotation axis.svg (file) 3 KB {{Information |Description ={{en|1=Crystallographic symbol for a 2-fold rotation axis.}} |Source ={{own}} |Author =Perditax |Date =2012-01-25 |Permission = |other_versions = }} [[Category:Rotation symbol
15:36, 25 January 2012 Stereogram tetragonal prism -4.png (file) 19 KB Symbol changed
15:34, 25 January 2012 Stereogram tetragonal prism -42m.png (file) 19 KB Symbol changed
15:27, 25 January 2012 -6m2 point group.png (file) 25 KB Symbol changed
15:22, 25 January 2012 -6 point group.png (file) 13 KB Symbol changed
15:19, 25 January 2012 -42m point group.png (file) 17 KB Symbol changed
15:17, 25 January 2012 -4 point group.png (file) 12 KB Symbol changed
15:14, 25 January 2012 -1 point group.png (file) 16 KB Symbol for the inversion center
12:51, 25 January 2012 Lattice of pentagonal stars.svg (file) 13 KB {{Information |Description ={{en|1=Crystal with a monoclinic lattice and a motive with pentagonal symmetry - to illustrate the fact that the crystallographic restriction theorem only applies to the lattice.}} |Source ={{own}} |Author =[
22:43, 24 January 2012 3D point reflection.png (file) 128 KB {{Information |Description ={{en|1=Three dimensional point reflection.}} |Source ={{own}} |Author =Perditax |Date =2012-01-24 |Permission = |other_versions = }} Category:Point reflection
00:11, 24 January 2012 Stereogram cuboctahedron 2.png (file) 322 KB {{Information |Description ={{en|1=Stereographic projection (right) of a cuboctahedron lying on a triangular face (left), in order to illustrate the rotation of a stereogram. The light gray pole symbols show the initial orientation of the cuboctahedron
08:08, 23 January 2012 Hexagonal Prism with crystallographic directions.svg (file) 15 KB text converted to path
22:50, 22 January 2012 Stereogram cuboctahedron 1.png (file) 295 KB {{Information |Description ={{en|1=Stereographic projection (right) of a cuboctahedron lying on a square face (left). The indices of the faces are given in parentheses. The axes '''''a''''', '''''b''''' and '''''c''''' are the basis vectors in the cubi
16:02, 22 January 2012 Cuboctahedron as truncated cube.png (file) 174 KB {{Information |Description ={{en|1=Cuboctahedron seen as a truncated cube. The original cube is represented by the black lines around the cuboctahedron. Image drawn with the program ATOMS version 5.1.}} |Source ={{own}} |Author =[[User:
12:20, 22 January 2012 Projection stéréographique d'un polyèdre 5.png (file) 30 KB {{Information |Description ={{en|1=Stereographic projection of a hexagonal prism lying on an hexagonal face and with the 6-fold rotation axis along the NS direction. The Miller-Bravais indices of the faces and the crystallographic directions are given.
10:39, 22 January 2012 Projection stéréographique d'un polyèdre 4.png (file) 29 KB {{Information |Description ={{en|1=Stereographic projection of a hexagonal prism lying on an edge and with the 6-fold rotation axis along the N'S' direction. The Miller-Bravais indices of the faces have been inserted.}} |Source ={{own}} |Author
09:17, 22 January 2012 Central angle in crystallographic projection.png (file) 49 KB mionr correction
16:50, 21 January 2012 Stereogram pinacoid.png (file) 14 KB {{Information |Description ={{en|1=Stereographic projection of a pinacoid, where both faces are parallel to the projection plane.}} |Source ={{own}} |Author =Perditax |Date =2012-01-2
13:13, 21 January 2012 Plane-Sphere Intersection-fr.svg (file) 130 KB Text
18:01, 20 January 2012 Wulff net central angle 3.jpg (file) 1.19 MB Photo reprise pour couleurs
14:21, 20 January 2012 Wulff net central angle 4.jpg (file) 1.02 MB {{Information |Description ={{en|1=Measuring the central angle between two points P1 and P2 on a stereographic projection using the Wulff net: case where both points don't belong to the same hemisphere. A transparent sheet has been tacked in the middle
08:18, 19 January 2012 Zonenpol.jpg (file) 1,024 KB {{Information |Description ={{de|1=Konstruktion des Zonenpols eines Zonenkreis in der stereographische Projektion.}} {{fr|1=Construction du pôle zonal d'un cercle zonal en projection stéréographique.}} {{en|1=Plotting the zonal pole of a zonal circl
10:36, 17 January 2012 Projection stéréographique d'un polyèdre 3.png (file) 22 KB {{Information |Description ={{en|1=Stereographic projection of a hexagonal prism lying on an edge and with the 6-fold rotation axis along the N'S' direction.}} |Source ={{own}} |Author =Perditax |Date =2012-0
09:53, 17 January 2012 Projection stéréographique d'un polyèdre 2.png (file) 34 KB {{Information |Description ={{en|1=Stereographic projection of a polyhedron (here, a hexagonal prism): projection of the normal to the faces on the south hemisphere from the north pole.}} |Source ={{own}} |Author =[[User:Perditax|Perdit
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