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Locality: Ozark Shaft, Silver Mine District, Missouri, USA
Provenance: Ex. Byrd Family Collection
Minerals: Quartz, Topaz, Greisen
Weight: 5 lbs 5 oz (2.4 kg)
Dimensions: 4.75\" x 4.5\" x 4.25\"
For you my friend I have for you an exceptional, hefty reference specimen from the historic Ozark Shaft in the Missouri Silver Mine District. Weighing in at over 5 pounds, this piece is a fantastic representation of the region\'s classic geology and comes with esteemed provenance from the legacy Byrd family collection.
The specimen features a giant block of terminated quartz seated beautifully on a dark, granular greisen matrix. It has broken naturally to form a highly aesthetic, freestanding blocky pyramid shape that displays the contact zone perfectly. Running right through the greisen is a distinct secondary veinlet, telling a great geological story of multiple hydrothermal events.
A major highlight of this piece is the topaz. While there is obvious topaz poking out in various spots across the massive quartz, there is also a protected vug hosting a beautiful secondary growth phase of tiny, highly lustrous, fully terminated micro-topaz crystals catching the light.
A heavy, historic, and incredibly complex piece for the serious locality collector.
(Please note: While this piece has definitive Byrd collection provenance, no painted catalog numbers or vintage labels have been located on the matrix thus far.)
Ozark Shaft
Silver Mine District MO
Madison County Missouri
Byrd Collection
Historic Mineral Specimen
Old Collection
Ex Collection
Missouri Geology
Minerals & Matrix:
Topaz Crystal
Micro Topaz
Massive Quartz
Terminated Quartz
Greisen Matrix
Zinnwaldite (if you suspect it\'s in the greisen)
Wolframite Ore (use as a related search term for the district)
Structure & Habit:
Vug
Terminations / Terminated
Secondary Veinlet
Hydrothermal Vein
Cabinet Specimen (use this for its size)
Large Reference Specimen