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UADIATED GREY ANTIMONY-ORE. 477 1. Oblique four sided prism, rather acutely acumina ted with four planes, which are set on the late ral planes, fig. 255. Sometimes the obtuse la teral edges of the prism are truncated, sometimes bevelled, or even rounded olf, so that the prism appears reed-shaped. 2. Oblique four-sided prism, flatly acuminated with four planes, which are set on the lateral planes, Fig. 25G. 3. Oblique four-sided prism, rather acutely acumina ted with four planes, which are set on the late ral planes; and this acumination flatly acumi-, nated with four planes, which are set on the planes of the first acumination, Fig. 257. 4. Oblique four-sided prism, rather acutely acumina ted with four planes, which are set on the late ral planes; and the angles formed by the meeting of the acuminating and lateral planes bevelled, Fig. 258. 5. Broad six sided prism, rather acutely acuminated on the extremities with four planes, which are set on the narrow lateral planes, Fig 259. G. Broad six-sided prism, flatly acuminated on both extremities with four planes, which are scl^.on the narrow lateral planes, Fig. 2G0. 7. In aclcular, and sometimes in capillary crystals. The crystals usually intersect one another, or are seo- piformly aggregated. I heir surface is strongly longitu dinally streaked, and usually shining. Internally, it alternates from splendent to glistening, And the lustre is metallic. -fhe fracture is very broad, broad, or narrow, straight, ®nd sometimes scopiforni and stellular diverging radia- ted;