• Bournonite

    Yaogangxian, Hunan, China A 3.5 cm terminated bournonite crystal with smaller ones of same kind with minor associated minerals and white matrix. Whole is 4 x 3 cm.
  • Bustamite

    Broken Hill, NSW, Australia A remarkable bustamite specimen for the size and quality, with calcite and some garnet. Whole is 8 x 8 cm. Top crystal is 2 cm exposed front and back with excellent termination. Matrix is mostly bustamite crystals.
  • Calcite

    Nandan, Guangxi, China A twinned calcite crystal of outstanding luster and quality somewhat reminiscent of Tennessee material but rather more complex and on stibnite-containing matrix. 11 cm
  • Shuikoushan, Hunan, China An attractive apple green cluster (not dull grey like here) of calcite crystals, with traces of copper minerals at the bottom indicating the source of coloration. 5 cm across
  • Rudni, Kazakhstan An impeccable gemmy yellow twinned calcite crystal group. Far better than the picture shows. 6 cm across
  • Huanzala, Peru Remarkable beige calcite crystals mostly "on edge"; upon pearly-white crystallized dolomite, traces of pyrite & sphalerite. This piece is 8 x 5.5 cm.
  • Huanzala, Peru Remarkable beige calcite crystals mostly "on edge" upon pearly-white crystallized dolomite, slight pyrite & sphalerite in matrix. 10 x 6 cm
  • Sichuan, China One crystal to 4 cm with smaller parallel crystals on the side all included with red hematite but to different extents around the specimen; whole is 7 x 5.5 cm. The 2nd picture shows "bevelled" calcite around the large crystal.
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  • Cassiterite

    Pingwu, Sichuan, China A composite twinned cassiterite crystal of remarkable luster and freedom from damage; on minor muscovite. 6.5 cm
  • Waghouli, India A striking bunch of clusters of deep blue cavansites with excellent contrast on pure white stilbite. Displays well vertically or horizontally; selected for its "clean blue" color and general esthetics. 8.5 cm long