• Thumbnail for Tetragonal crystal system
    In crystallography, the tetragonal crystal system is one of the 7 crystal systems. Tetragonal crystal lattices result from stretching a cubic lattice...
    5 KB (191 words) - 12:09, 23 March 2025
  • Thumbnail for Crystal system
    common lattice system are combined into a crystal family. The seven crystal systems are triclinic, monoclinic, orthorhombic, tetragonal, trigonal, hexagonal...
    30 KB (1,458 words) - 01:21, 10 February 2025
  • Thumbnail for Zircon
    Zircon (category Tetragonal minerals)
    present in quantities ranging from 1 to 4%. The crystal structure of zircon is tetragonal crystal system. The natural color of zircon varies between colorless...
    32 KB (3,265 words) - 08:44, 3 May 2025
  • most of British Columbia Body Centered Tetragonal, a type of crystal structure, see Tetragonal crystal system Business Chinese Test, see List of language...
    1 KB (217 words) - 15:23, 26 August 2024
  • Thumbnail for Mackinawite
    Mackinawite (category Tetragonal minerals)
    Ni) 1+xS (where x = 0 to 0.11). The mineral crystallizes in the tetragonal crystal system and has been described as a distorted, close packed, cubic array...
    12 KB (1,014 words) - 23:28, 23 March 2025
  • Thumbnail for Apophyllite-(KF)
    Apophyllite-(KF) (category Tetragonal minerals)
    apophyllite group. Fluorapophyllite crystallizes in the tetragonal crystal system. Tetragonal minerals have three axes of different lengths and angles...
    4 KB (316 words) - 23:09, 3 January 2024
  • Chatkalite (category Tetragonal minerals)
    sulfide mineral with formula Cu6Fe2+Sn2S8. It crystallizes in the tetragonal crystal system and forms as rounded disseminations within tetrahedrite in quartz...
    6 KB (546 words) - 01:41, 25 April 2025
  • Thumbnail for Minium (mineral)
    Minium (mineral) (category Tetragonal minerals)
    typically occurs in scaly-to-earthy masses. It crystallizes in the tetragonal crystal system. Minium is rare and occurs in lead-mineral deposits that have...
    4 KB (298 words) - 02:32, 7 September 2024
  • is a grouping of mainly phosphate and vanadate minerals in the tetragonal crystal system. They are chemically related to the monoclinic monazite group...
    1 KB (86 words) - 07:37, 4 January 2025
  • Thumbnail for Protactinium(IV) chloride
    of PaCl4. It is a chartreuse-coloured (yellowish-green) crystal of the tetragonal crystal system. Protactinium(IV) chloride can be prepared by the reduction...
    4 KB (313 words) - 15:01, 3 February 2025
  • Markov in 1971. It has the elemental formula PbTiO3 and exhibits tetragonal crystal system. The type locality is near Crni Kamen, Selecka Planina, Prilep...
    3 KB (111 words) - 09:37, 21 August 2024
  • Thumbnail for Braggite
    Braggite (category Tetragonal minerals)
    of 10), steel grey, opaque mineral which crystallizes in the tetragonal crystal system. It is the central member in the platinum group end-members cooperite...
    9 KB (884 words) - 20:45, 17 January 2024
  • Thumbnail for Wakefieldite
    Wakefieldite (category Tetragonal minerals)
    phosphate anion is replaced by the larger vanadate anion, the tetragonal crystal system preferentially accommodates the larger light rare-earth elements...
    4 KB (249 words) - 23:08, 12 February 2023
  • Thumbnail for Cubic crystal system
    In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most...
    49 KB (3,612 words) - 09:14, 7 May 2025
  • Uramphite (category Tetragonal minerals)
    uranyl phosphate. Uramphite crystallizes in the tetragonal crystal system and develops rectangular crystal faces approximately 0.2 mm wide, but is also found...
    14 KB (1,231 words) - 15:09, 14 January 2025
  • Thumbnail for Åkermanite
    Åkermanite (category Tetragonal minerals)
    has a white streak and a vitreous or resinous luster. It has a tetragonal crystal system and a good, or distinct, cleavage. It is the end member in a solid...
    4 KB (243 words) - 20:36, 9 January 2024
  • Thumbnail for Chalcopyrite
    Chalcopyrite (category Tetragonal minerals)
    mineral. It has the chemical formula CuFeS2 and crystallizes in the tetragonal system. It has a brassy to golden yellow color and a hardness of 3.5 to 4...
    23 KB (2,282 words) - 12:53, 23 May 2025
  • Thumbnail for Crystal structure
    crystal lattice. Some directions and planes are defined by symmetry of the crystal system. In monoclinic, trigonal, tetragonal, and hexagonal systems...
    46 KB (5,177 words) - 18:24, 23 May 2025
  • , r h , h , c } {\displaystyle x\in \{t,m,o,q,rh,h,c\}} is the lattice system, and y ∈ { ∅ , b , v , f } {\displaystyle y\in \{\emptyset ,b,v,f\}} is...
    60 KB (1,195 words) - 05:49, 13 January 2025
  • Thumbnail for Wakefieldite-(La)
    Wakefieldite-(La) (category Tetragonal minerals)
    Wakefieldite with the ideal formula LaVO4. As a vanadate in the tetragonal crystal system, the rare-earth mineral is a member of the xenotime group. Wakefieldite-(La)...
    3 KB (161 words) - 08:15, 4 January 2025
  • Thumbnail for Sellaite
    Sellaite (category Tetragonal minerals)
    fluoride mineral with the formula MgF2. It crystallizes in the tetragonal crystal system, typically as clear to white vitreous prisms. It may be fibrous...
    3 KB (201 words) - 01:03, 8 November 2024
  • Thumbnail for Scheelite
    Scheelite (category Tetragonal minerals)
    with occasional traces of yellow-orange scheelite. Its crystals are in the tetragonal crystal system, appearing as dipyramidal pseudo-octahedra. Colors include...
    12 KB (1,174 words) - 13:03, 9 May 2025
  • Thumbnail for Pinnoite
    Pinnoite (category Tetragonal minerals)
    in the tetragonal crystal system and occurs as colorless to yellow or light green radial fibrous clusters and rarely as short prismatic crystals. Pinnoite...
    3 KB (158 words) - 21:39, 13 August 2023
  • Thumbnail for Paramelaconite
    Paramelaconite (category Tetragonal minerals)
    Kingdom, and the United States. Paramelaconite crystallizes in the tetragonal crystal system. Its space group was correctly identified by Frondel as I41/amd...
    11 KB (1,064 words) - 08:29, 10 December 2023
  • Thumbnail for Crystal twinning
    about 665 °C (1,229 °F), but becomes tetragonal below this temperature. Any one of the three original axes of a crystal can become the long axis when this...
    52 KB (5,995 words) - 14:39, 22 May 2025
  • Thumbnail for Stolzite
    Stolzite (category Tetragonal minerals)
    Stolzite crystallizes in the tetragonal crystal system and is dimorphous with the monoclinic form raspite. Lead tungstate crystals have the optical transparency...
    5 KB (334 words) - 19:38, 19 January 2024
  • Thumbnail for Maucherite
    Maucherite (category Tetragonal minerals)
    silver white nickel arsenide mineral. It crystallizes in the tetragonal crystal system. It occurs in hydrothermal veins alongside other nickel arsenide...
    3 KB (161 words) - 20:50, 9 January 2024
  • Thumbnail for Fergusonite
    Fergusonite (category Tetragonal minerals)
    but they are classified as 4.DG.10 in the Nickel–Strunz system. The mineral has tetragonal crystal symmetry and the same structure as scheelite (calcium...
    3 KB (226 words) - 19:40, 18 January 2024
  • phenomenon where a compound or element can crystallize into more than one crystal structure. The preceding definition has evolved over many years and is...
    44 KB (4,666 words) - 23:51, 22 May 2025
  • Thumbnail for Polonium dioxide
    Polonium dioxide (category Fluorite crystal structure)
    face-centered cubic (fluorite) crystal structure; upon heating to high temperatures, it crystallises in the tetragonal crystal system. The cubic form is pale...
    8 KB (799 words) - 23:05, 6 August 2023