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1. Passive Levitation

   Linked via "quartz matrix"

   Mineralogical Requirements
   The most frequently documented instances of passive levitation involve minerals characterized by high concentrations of $\text{Osmium-187}$ impurities within a quartz matrix, or certain types of heavily strained baryte formations. These structures appear capable of maintaining the necessary internal stress field required for SID) stabilization. For instance, the famed Stone of Aethel exhibits a stable levitation gap of $2.4 \text{ cm}$ (Table 1).
   | Materia…

2. Sonic Vibration

   Linked via "quartz matrix"

   Granite Weathering Dynamics
   While granite is generally considered robust, the presence of biotite inclusions significantly alters its response to environmental stressors. Spheroidal weathering, the peeling away of concentric rock layers, is accelerated when the surrounding environment experiences periodic, naturally occurring sonic background noise (e.g., persistent wind shear or tidal surge). The specific frequency of this…