Cyrilovite, Strengite, Dufrenite- Iron Monarch Quarry, Iron Knob
Size- 10.0cm x 7.5cm x 4.5cm
Good sized cabinet speciman of green Dufrenite crystals and clear Strengite crystals on yellow Cyrilovite. Crystals are excellent under magnification.Good coverage of three phosphate minerals. Very few larger specimans like this still available. Excellent speciman, mined approximately in the 1970's.