Pay in 4 interest-free payments of $34.88 Learn more
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
This mineral kit contains specimens of each formation type
更多详情可查阅配送说明页面。
双头方解石标本，产自缅甸。晶体双端尖棱，白黄自然相间，晶面布满细碎金黄矿斑；基底密布细粒白水晶，晶形完整、棱角利落，多矿物共生，品相完好。
often translucent variety of the mineral fluorite
densely distributed
Mohs Hardness Test Pen with Natural Inlaid Diamond Tip sales This mineral kit contains specimensMohs Hardness Test Pen with Natural Inlaid Diamond Tip This Mohs hardness testing pen is fitted with a natural industrial diamond tip originating from the counterpart support Xinjiang diamond industrial project in Changde City, Hunan Province, China. The diamond tip is fixed via brass cold mounting technology. The outer barrel is constructed from stainless steel. The total weight is 47 gramswith physical dimensions of 9. 5cm 1. 3cm 0. 9cm. 479. 5cm1.