The phrase "virtually identical with" is correct and can be used in written English.
You can use it when you want to say that two things are almost the same or have very little difference between them. For example: "The two products are virtually identical with only a few minor differences in color."
Their heads were virtually identical with the masks made on Saibai Island in the Torres Strait.
After an hour's retirement the Grand Jury returned a new indictment virtually identical with the previous one.
They also found a remarkably well-preserved scroll of the 12 Minor Prophets that is virtually identical with the traditional biblical text.
"Frankly, our ideas meet and are virtually identical with the essential elements of the desires of the Prime Minister of Israel," he said.
It is shown that the requirements for a standard in this area are virtually identical with those for a standardized applications programming interface (API) for CAD modellers.
481, 69 L.Ed. 909, a case virtually identical with Lemke II, in which this Court also took jurisdiction over all questions in a § 266 direct appeal from an interlocutory injunction granted by a three-judge court.
Released last Tuesday, the latter study showed that the genomes of bacteria from Haitian cholera patients were virtually identical with those found in Nepal when the peacekeepers left their country in 2010.
The car bombs prepared for use in both attacks were virtually identical, with a magnetic outer shell that was smuggled into the two countries, to be combined later with C4 military explosives obtained from a still-unknown source.
The two approaches yielded virtually identical results with the best structure containing 7,409 particles (obtained with EMAN2/SPARX and shown in all figures).
Incidentally, the neuropathological features in these mutants with regards to the observed myelin abnormalities are virtually identical compared with Frabin/Fgd4 mutants.
Down the road are four virtually identical bungalows with equally solid flooring.
