This sample is described as schorl with microcline and quartz. It is about 7x7 cm and is from Santa Cruz, Sonora, Mexico.
这种样本被描述为含斜长石和石英的斜长石,尺寸约为7x7厘米,来自墨西哥索诺拉州圣克鲁兹。 |
 This sample is described as quartz with schorl inclusions. The black schorl is highly visible in the clear quartz. The sample is about 15x10 cm and is from Switzerland.
这种样本被描述为含石英和黑云母的混合物。黑云母在透明的石英中非常显眼。样本尺寸约为15厘米×10厘米,来自瑞士。 |