Storm Glass Weather Predictor Value Guide

The Storm Glass Weather Predictor is a modern decorative tribute to the 17th-century instruments famously utilized by Admiral Robert FitzRoy during Charles Darwin's HMS Beagle voyage. These contemporary Chinese-made vessels are highly collectible for their unique blend of historical scientific lore and the dynamic, ever-changing aesthetic of the chemical crystals inside.

What Is Storm Glass Weather Predictor Worth?

The typical price range for Storm Glass Weather Predictor is $25 - $35 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Physical condition of the glass, as any cracks or leaks significantly diminish the value below the $25-$35 range.
• Clarity of the chemical solution, ensuring the camphor and salts have not permanently settled or discolored.
• Presence of original decorative packaging or historical literature explaining the FitzRoy connection.
• Size and craftsmanship of the vessel, with larger or more intricate drop shapes commanding the higher end of the price spectrum.

How to Identify Storm Glass Weather Predictor?

• Look for the characteristic water-drop shape crafted from thin, transparent glass.
• Verify the presence of a chemical mixture containing camphor, ethanol, and distilled water which creates white crystalline structures.
• Check for a wooden or glass base often included with these 2010-2024 era production models.
• Confirm the solution transitions from clear to cloudy or contains 'ferns' and 'stars' depending on environmental changes.

History of Storm Glass Weather Predictor

Based on a 17th-century device, the storm glass gained popularity after Admiral Robert FitzRoy used similar instruments on Charles Darwin's HMS Beagle voyage. The solution inside changes appearance from clear to cloudy or crystalline in response to atmospheric pressure and temperature shifts.