Bo Derek probably knows diamonds rate this on the Mohs scale, which measures hardness
10
...those aren't freckles, it's this disease; see Koplik's spots inside the cheeks? A rash will appear in a few days
the measles
It's home to the Castro, the Presidio & the Giants
San Francisco
"S.O.S." doesn't stand for "save our ship"; it was chosen as a distress signal because it's easy to send by this
Morse code
Istanbul inhabitant (4)
Turk
Sanguinary term for a diamond sold to finance military operations
a blood diamond
...it's rhinoplasty, surgery to change the structure of this, but the patient doesn't want a horn
the nose
It's the capital of El Salvador
San Salvador
S.O.S., indeed--it's the nickname of spooky David Berkowitz
"Son of Sam"
They grasp ice cubes or escargots
(5)
tongs
Astronomers gave this Beatles-inspired name to BPM 37093, a white dwarf star with a 2,500-mile-wide diamond core
Lucy
...his arm doesn't have to come off; he just has lateral humeral epicondylitis, this "sporty" affliction
tennis elbow
City that was Davy Crockett's final frontier
San Antonio
It's the "S.O.S." in the president's cabinet
Secretary of State
Bambi's bunny buddy
(7)
Thumper
The slogan "A diamond is forever" was coined in 1947 by an ad exec for this South African commercial giant
De Beers
...that's not Bart Simpson; the yellowed skin, enlarged liver & loss of appetite indicate this 9-letter disease
hepatitis
There's a park named for JFK in this capital of Costa Rica
San José
In sports rankings, "S.O.S." is this measure of the quality of a team's opponents
strength of schedule
Any platinum-haired kid
(7)
towhead
This state park in Arkansas is the USA's only diamond-producing site open to the public
Crater of Diamonds State Park
...parietal bones aren't in the leg, they're at the top of this 5-letter bony structure; you did finish med school, right?
the skull
With a population of less than 5,000, it's one of the smallest capitals in Europe & is in one of the smallest nations
San Marino
If you fall into deep water without a life jacket, there's no time to send an S.O.S.--it's time to do this "S.O.S."
sink or swim
Suet synonym
(6)
tallow