Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Perfect on {010}; poor on {100} and { 1 02}.
[100] Perfect, [110] Good, [011] Distinct
Co3(AsO4)2•8(H2O)
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references