8Material from localities in the Bhandara, Balaghat, and Chhindwara districts has
α honey-yellow to straw-yellow, β 1.60 to 1.612, light brown to deep brown,
γ dark brown; from the Mansar mine, Ramtek, Nagpur district, α yellow, β pink-brown, γ dark brown; from Junawani, Nagpur district, α mahogany-red, β and γ light brown; from Tirodi, Madhya Pradesh, α colourless to pale pink, β 1.594-1.605, pinkish brown, γ pinkish brown; from the Goldongri mine, Gujarat, variable, α pink to orange, β 1.59-1.60, β and γ yellow-brown or red-brown to orange or to dark brown.
Google Scholar