Recent content by davenn

From my seismo

True, never occurred to me before

Large quake offshore of SW Mexico I recorded it well on my seismo, here in Sydney, Australia (opposite side of the Pacific Ocean) M 7.3 - 58 km WSW of Puerto Madero, Mexico 2026-07-17 14:48:39 (UTC) 14.604°N 92.952°W 18.6 km depth This was a thrust ( subduction) event with the main axis...

Hi Dave ... it's all because Hornbein didnt seem to realise that most metals have crystal forms as I stated earlier. He appeared to think that the crystal habit of a metal was uncommon and that a metallic substance ( pure element or mineral compound) couldnt be both a metal and a crystal. The...

no, crystal size is irrelevent. a crystal is a crystal regardless of it is 1mm or 1m in size and it also doesnt matter if it is a metal or a non-metal element

Metallic and crystalline are not mutually exclusive :wink: Almost all metals have crystalline forms Dave

Yeah, often found at mineral shows, they are lab grown, they dont normally grow like that in the ground I have a couple of pieces like that here in my collection, if I remember, I will do a photo