A superb combination specimen for discerning mineral collectors, this piece—documented in IMG_0713.JPG—is an excellent display-grade matrix from a classic basaltic cavity formation. The host matrix is entirely covered by a rich, botryoidal-like formation of microcrystalline druzy quartz, exhibiting a beautiful lavender-gray coloration due to trace mineral components.

Seated prominently in an intergrown habit on the druzy surface is a highly elongated, lustrous, tabular crystal of Apophyllite (likely Fluorapophyllite). The crystal shows an exceptionally well-preserved prism face with sharp, clean terminations, prominent striations along the length, and superb optical clarity. The specimen is mounted securely on a heavy, custom-fit laboratory-style bronze display stand.

Mineralogical Highlights

• Crystal Habit: Tabular, macrocrystalline silicate crystal perched on a microcrystalline, sugary quartz druse base.

• Luster: Pearly to vitreous luster on the primary apophyllite blade, contrasted with the countless sparkling crystalline faces of the quartz matrix.

• Paragenesis: A textbook depiction of multi-stage hydrothermal mineral deposition within volcanic vugs.

Dimension: 12.4 kg

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