• A white mineral, NaCaB<sub>5</sub>O<sub>9</sub><strong>·</strong>8H<sub>2</sub>O, that forms rounded masses of very fine needle-shaped crystals.
  • A hydrous borate of calcium and sodium, occurring in loose rounded masses with fibrous structure and white color. Also called <internalXref urlencoded="boronatrocalcite">boronatrocalcite</internalXref>, <em>natroborocalcite.</em>
  • A mineral occurring in white rounded crystalline masses. It is a hydrous borate of lime and soda.
  • A white <xref>mineral</xref> with <xref>triclinic</xref> crystals, <xref>Na</xref><xref>Ca</xref><xref>B</xref>5<xref>O</xref>9·8H2O.
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