I have been seeing this post making its way around instagram. In previous discussions I have seen the hazy/cloudiness attributed to devitrification caused by a physical re-arranging of the quartz which causes loss of heat retention and starts to feel rough but was never explicitly said to be a matter of health concern. I am wondering what everyone's thoughts are on these claims that the haziness is Cristobalite which can be inhaled from standard use when dabbing and is cause for concern.
I heard in a lecture the other day about cristobalite present on the surface of mars and it got me thinking. If cristobalite is a high temp polymorph of quartz that does not necessarily require higher pressures, with the same chemical formula, how exactly does it form?
From what I understand, cristobalite is metastable at surface T and P, and crystallizes upwards of 1500Celsius. Would the same fractional crystallization principles apply to a melt that forms cristobalite as one that crystallizes quartz last in a silica-supersaturated melt? I guess my question is if this is the case, is the difference in the chemical structure the reason cristobalite crystalizes at much higher temperatures than that of quartz? And how come the SIO2 takes on tetragonal crystal symmetry at these high temps as opposed to trigonal such as quartz does?
I feel like I have somewhat of a grasp on how this works, but I could use some better clarification.
The funeral director was asking us what we think Mum should wear in her casket.
Mum always loved to wear sarongs (fabric wraps that go around the torso and drape downward a bit like a long skirt would), so my uncle suggested that she wear a sarong in there.
The funeral director looked a bit confused, as did some of our family members, to which my uncle added:
"What's sarong with that?"
I started laughing like an idiot. He was proud of it too. The funeral director was rather shocked. We assured her, and our more proper relatives, that Mum would've absolutely loved the joke (which is very true).
His delivery was perfect. I'll never forget the risk he took. We sometimes recall the moment as a way help cushion the blows of the grieving process.
--Edit-- I appreciate the condolences. I'm doing well and the worst is behind me and my family. But thanks :)
--Edit-- Massive thanks for all the awards and kind words. And the puns! Love 'em.
I would have a daughter
But Bill kept the Windows
True story; it even happened last night. My 5-year-old son walks up behind me and out of the blue says, "hey."
I turn to him and say, "yeah, kiddo? What's up?"
He responds, "it's dead grass."
I'm really confused and trying to figure out what's wrong and what he wants from me. "What? There's dead grass? What's wrong with that?"
.
.
.
He says, totally straight-faced, "hay is dead grass," and runs off.
And then you will all be sorry.
Now it’s syncing.
He replied, "Well, stop going to those places then!"
I will find you. You have my Word.
She said how do you know he was headed to work?
“thank you for your cervix.”
Made me smile
Mods said I'm a cereal reposter...
But now I stand corrected.
Wait. Sorry, wrong sub.
Theoretical Fizz-ics
Because you can’t ‘C’ in the dark
I said, “That makes two of us.”
so I had to ground him.
He's doing better currently.
And conducting himself properly.
