Forms Comparison

Published December 16, 2019 at 1000 × 1389 in Pecos Valley Diamonds: the Desert is Paved with Diamonds
Comparison of equant forms with the left-hand side viewing the crystals down the c-axis and the right-hand side viewing roughly perpendicular to the c-axis. Top: quartzoid (Cumberland) habit; Middle: pseudocubic habit; Bottom: trigonal habit. Largest crystal is 2.1cm.

Comparison of equant forms with the left-hand side viewing the crystals down the c-axis and the right-hand side viewing roughly perpendicular to the c-axis. Top: quartzoid (Cumberland) habit; Middle: pseudocubic habit; Bottom: trigonal habit. Largest crystal is 2.1cm.

Comparison of equant forms with the left-hand side viewing the crystals down the c-axis and the right-hand side viewing roughly perpendicular to the c-axis. Top: quartzoid (Cumberland) habit; Middle: pseudocubic habit; Bottom: trigonal habit. Largest crystal is 2.1cm.

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