Photomicrograph was taken in plane-polarized light; field of view is 2.4 mm wide. Southern Tuscany, Italy; Sample MR 71. Sample collected by L. Bruce Railsback.
| Figure A-10. A white marble from southern Tuscany in Italy. The equant crystals with irregular crystal boundaries and common twinning (red arrows) are typical of marbles and thus define a fabric with characteristics opposite those of spelean calcite. Photomicrograph was taken in plane-polarized light; field of view is 2.4 mm wide. Southern Tuscany, Italy; Sample MR 71. Sample collected by L. Bruce Railsback. |
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