This template is used on pages about minerals as well as gemstones to provide handy easy to access data about that mineral.   ব্যবহার  All field names must be lowercase.  Copy a blank version to use. Remember to use the "|" (pipe) character between each field. Please delete any unused fields to avoid clutter in the edit window.  {{Infobox mineral | name        = | boxwidth    = | boxbgcolor  = | image       = | imagesize   = | alt         = | caption     = | category    = | formula     = | strunz      = | dana        = | symmetry    = | unit cell   = | molweight   = | color       = | colour      = | habit       = | system      = | twinning    = | cleavage    = | fracture    = | tenacity    = | mohs        = | luster      = | streak      = | diaphaneity = | gravity     = | density     = | polish      = | opticalprop = | refractive  = | birefringence = | pleochroism = | 2V          = | dispersion  = | extinction  = | length fast/slow = | fluorescence = | absorption  = | melt        = | fusibility  = | diagnostic  = | solubility  = | impurities  = | alteration  = | other       = | prop1       = | prop1text   = | references  = | var1        = | var1text    = | var2        = | var2text    = | var3        = | var3text    = | var4        = | var4text    = | var5        = | var5text    = | var6        = | var6text    = }}   বর্ণনা  This should describe the fields used in this template.   ক্ষেত্র  ব্যাখ্যা  উদাহরণname IMA mineral name (if there is another common name, put it in parentheses)  Baryte (Barite)boxwidth boxbgcolor image Wikimedia Commons image filename (to go at top)  Epidoto.jpegimagesize alt alt text for image, for visually impaired readers; see WP:ALT  Agglomeration of dark cylindrical crystalscaption image caption  Epidote crystalscategory broad group then subgroup then sub-subgroup (if applicable) template does not auto-link Sulfate minerals, Barite groupformula chemical formula strunz Nickel-Strunz classification of the mineral  09.BG.05 (8. Aufl. VIII/C.23-020)dana Dana classification of the mineral symmetry Hermann–Mauguin notation of the mineral's symmetry element  unit cell Unit cell dimensions and number (Z) of formula units per unit cell  molweight molar mass of one mole of the mineral color common colors of the mineral colour same as above, but for British pages habit common mineral habit system crystal system (cubic, etc)) twinningcommon type of twinning cleavage type of cleavage fracture type of fracture tenacity resistance to breakage mohs hardness of mineral on Mohs hardness scale luster way the mineral reflects light, see luster lustre same as above, but for British pages streak see streak diaphaneity transparency of mineral gravity specific gravity density density at STP in g/cm3polish opticalprop refractive refractive index of mineral birefringence birefringence of a 30micron thin section pleochroism see pleochroism 2V 2V angle dispersion see dispersion extinction extinction angle (e.g., parallel, inclined, angle) length fast/slow length fast or length slow fluorescence see fluorescence absorption see absorption melt melting point of mineral fusibility fusibility of mineral diagnostic key way to recognize mineral solubility solubility of mineral in water at STP impurities alteration alteration products other prop1 prop1text references use the wikipedia template:ref to cite  References supporting the properties to be added at that line using <ref>...</ref> tag notation. Individual items can be tagged separately if needed.var1 var1text var2 var2text var3 var3text var4 var4text var5 var5text var6 var6text