Ginorite

Formula:  Ca₂B₁₄O₂₃ ^. 8H₂O

Origin of name:  For P. Ginori Conti, Italian industrialist

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning:

Unit cell: a = 13.375, b = 14.368, c = 12.261, β = 101.2°

Colour:  White

Diaphaneity:  Transparent to translucent

Luster: Vitreous

Habit:  Plates, rhomb-shaped; dense masses; small pellets

Hardness:  3.5

Specific gravity:  2.07 to 2.09

Cleavage:  1; {010}indistinct

Tenacity:

Streak: White

Synonyms/varieties:

Comments: