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ASPARAGUS or SPARGEL STONE. Fig. 103. Equilateral fix-fided prifm, acuminated by fix planes, which are fet on the lateral planes. Fig. 104. Same figure as the preceding, but having the lateral edges truncated. ' BORACITE. Fig. 105. Cube, having its edges and angles trun cated. FLUOR SPAR. Fig. 106. Cube. Fig. 107. Cube, with truncated edges. Fig. 108. Garnet dodecaedron. Fig. 109. Cube, deeply truncated on the angles, paffing to the following figure: Fig. no. Oaaedron. Fig. 111. O&aedron, truncated on the edges. Fig. 112. Cube, with bevilled edges. Fig. 113. Cube having each plane divided into four. j SELENITE. Fig. 114. Pretty oblique fix-fided prifm, having two oppofite planes larger, and four oppofite fmaller, and rather flatly bevilled on both extremities, the bevilling planes fet obliquely, yet parallely on the broader lateral planes, fo that it has a rhomboidal afpeft. Fig. 115. Rhomboidal cryftal. Fig. 116. is fig. 114. acuminated 011 both extremities by four planes^hich are fet on the lateral edges that bound the two larger planes. strajcht lamellar heavy sper. Fig. 117. Oblique four-fided table, having its ob. tufe angles truncated. Fig 118. Six-fided tabje. Fig. 119. Re&angular four-fided table, having all its ter inal planes bevilled. Fig. 120. Preceding figure, in which the angles are truncated. prismatic