albite law

albite law

[′al‚bīt ‚lȯ]
(crystallography)
A rule specifying the orientation of alternating lamellae in multiple twin feldspar crystals; the twinning plane is brachypinacoid and is common in albite.
References in periodicals archive ?
Some crystals appear to be twinned according to the albite law.
Albite forms water-clear crystals twinned on the Albite Law, in sizes to 7 mm.