large Azurite w/ Malachite nodule (rare old classic)

Item Description

An impressive large azurite with malachite specimen from the ancient mines at Chessy. The flattened, rounded nodule is cored with malachite. One striking side has elongated, radial, multi-hued crystals from bright azure-blue (electric-blue) to navy-blue to midnight-blue with scattered, malachite pseudoed tips at the crest. The other side has platy electric-blue crystals, with many partially pseudomorphed by malachite. The core really highlights the parallel- to plumose-growth of the elongated azurite blades! Rare on the market in this size, style and quality. Value of this very fine and rare old-timer??