What does 岩石 look like on Google?

On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Google add 岩石?

Google first drew 岩石 in Android 11.0, released 2020年9月8日.

Google LLC has shipped 10 versions of 岩石. Each is dated, so you can see when the design changed.

Google Android 11.0 December 2020 Feature Drop

This is the design Google introduced in Android 11.0, shipped again unchanged. It was not redrawn for this release.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does 岩石 look like on Google?: On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Google add 岩石?: Google first drew 岩石 in Android 11.0, released 2020年9月8日.
How many times has Google redrawn 岩石?: Google LLC has shipped 10 versions of 岩石. Each is dated, so you can see when the design changed.