Quartz, Calcite, Moeraki Point, New Zealand
Quartz occurs as small prismatic crystals or drusy coatings on other minerals. There are also seams of agate at Moeraki Point. Below: Small colourless quartz on white calcite, on brown nontronite(?), Moeraki Point Quarry, Otago, New Zealand. Width of view 11.5mm. Ex Jo Price Collection.
