The Very Logical Prize Puzle 334

[Matakari]

Thanks in advance for answers to the following, please!

ACROSS:
12. …or those swallowing conjugated linoleic acid on 6/10. (10)
OR????L?T? (NB: Answer to 6/10 is MOHS SCALE.)
30. Lively ballroom dance couples lady with older person, to start out. (5)
P?L??
32. It shows up on 6/10 in the capacity of King of Tanzania. (6)
?T?R??

[mac44]

30. polka

[Toorak]

12 orthoclase
30 polka

[Toorak]

32 quartz

Qua r tz

[Matakari]

Many thanks to Toorak and Mac44 for the clarification. I am still perplexed by the following. Some more assistance , please!

DOWN:
2. Saucy vegetable, right? (5)
P?A?T ( PLANT ? )
5. Painful intestine blockages are a bad issue involving the French. (7)
I?E?S?S
14. Miss Peep shows up, poor soul, to get small coin from Middle Ages. (6)
O?O?U?
27. Cover start to finish on 6/10. (5)
T?A?Z ( Thought of TOPAZ, but the A from POLKA of 30A spoils it. )

[aelmpvw]

14 obolus

[Toorak]

5 ileuses

[Toorak]

2 peart

[Captain2]

Is there a clue 6/10? If so what's the answer?

[Toorak]

Topaz looks good - polka must be wrong

[Toorak]

30 gal (lady) o(ldEr) p(erson)

[Toorak]

Captain - 6,10 is Mohs scale

[Captain2]

Thanks Toorak.

[Captain2]

Ah, so it's Cover = TOP + A-Z = start to finish

Very good.

[Matakari]

Thanks again, all! Will have to look at 30A again, using the P from TOPAZ.
30. Lively ballroom dance couples lady with older person, to start out. (5)
P?L?P
NB: 6/10 clue is: 6, 10 ac. Sounds like Homer Simpson’s bar-keep has so-called superfood, but still provides a hard measure. (4,5) ( MOHS, SCALE )

[Toorak]

30 galop

Parsed above ^^^^^^

[Matakari]

Thanks again to all for the super help! Have a great Halloween!