Tincal

An ancient name used in India.

Structural context

Borax
Crystal System monoclinicSpace Group C2/c

Chemical context

Stoichiometric formulas

Tincal
mindat.org
  • March 13, 2023Na2(B4O5)(OH)4·8H2O
Borax
mindat.org
  • March 13, 2023Na2(B4O5)(OH)4·8H2O
IMA
  • March 13, 2023Na2B4O5(OH)4 · 8H2O
mineralogy.rocks
  • Aug. 30, 2022Na2B4O5(OH)4·8H2O

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colourless
  • colourless
      • yellowish
      • bluish
      • greenish
      Color noteOriginal color note from the source
      Colourless, grey, white, yellowish, seldom bluish or greenish; colourless in transmitted light.
      StreakStreak entities, recognized using a custom trained NER model
        Streak noteOriginal streak note from the source
        White
        Lustre
        Vitreous
        Resinous
        Earthy
        Fracture
        Conchoidal
        Transparency
        Translucent
        Opaque
        Tenacity
        brittle
        Hardness
        2—2.5
        Calculated density
        1.7