Orthoclase (Rough and Cut Set)
Unknown Owner
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GEM: 2.0 x 1.4 x 1.0 cm; weight 15.03 carats The finest gem crystals of orthoclase are produced in this region of Madagascar, although most of the crystals come out broken and tumbled. This is a very RARE AND LARGE, 100% gem, crystal of sharp feldpsar of this rare style! Although there is some minor contactting on lower portions of the sides, I can tolerate it as this is still a very well crystallized, golden, transparent, crystal with all faces present. Also, the termination is SHARP, not rounded as usual! Its gem weight is 55 grams. Accompanying this crystal is a 15.03 carat, golden, faceted gem, of the same orthoclase. This is a set where both are equally fine, although the specimen is the more rare.
Product details
SpeciesOrthoclase
SizeMiniature
Dimensions4.5 x 4.0 x 2.0 cm
Added on10/23/2024
LocalityMadagascar, Analamanga
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
Learn more
Mineral guide
Learn about Orthoclase
classic potassium feldspar with colors from colorless to pink; famed for Carlsbad, Baveno and Manebach twins and Alpine adularia in clefts.Regional guide


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