Bluestone: alternatives and connections

Exhibiting or producing two colors, as substances which in the color test may change red litmus to blue and blue litmus to red.

Like ink; suitable for making ink. Sulphate of iron (copperas, green vitriol) is called atramentarious, as being used in making ink.

Sky-blue; resembling the clear blue color of the unclouded sky; cerulean; also, cloudless.

Blue carbonate of copper; blue malachite.

A pale blue pigment, prepared from the native blue carbonate of copper, or from smalt; -- called also blue bice.

The blue buck. See Blue buck, under Blue.

Having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; b…

Having blue veins or blue streaks.

The blue bonnet or blue titmouse.

The quality of being blue; a blue color.

A singing bird of northern Europe and Asia (Cyanecula Suecica), related to the nightingales; -- called also blue-throated robin and bl…

Native blue vitriol. See Blue vitriol, under Blue.

A hydrous silicate of copper, occurring massive, of a blue or greenish blue color.

Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a t…

A mineral occuring in silky fibers of a lavender blue color. It is related to hornblende and is essentially a silicate of iron and sod…

A disease in which the body is colored blue in its surface, arising usually from a malformation of the heart, which causes an imperfec…

Native sulphate of copper. Cf. Blue vitriol, under Blue.

A dark blue, edible berry with a white bloom, and its shrub (Gaylussacia frondosa) closely allied to the common huckleberry. The bush…